Spelling Typing Practice

Type words that are often spelt wrong, one trap at a time, starting with double letters.

Type each word and press space after it. No timer. The run ends with the text. accommodate embarrass necessary occurrence millennium recommend harass tomorrow committed possession successful occasion occasionally occurred aggressive aggression accidentally annually disappoint dilemma misspell dumbbell underrate withhold questionnaire personnel referred omission vacuum immediately beginning really tyranny imitate inoculate until almost awful grateful welfare pastime intelligence allegiance apparent

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No timer: the run ends with the text, or when you press Finish. Words per minute is correct characters divided by five; accuracy is correct keystrokes out of all keystrokes.

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All 152 words

Double letters: accommodate, embarrass 44

accommodate Two Cs and two Ms.
embarrass Two Rs and two Ss.
necessary One C, two Ss.
occurrence Two Cs, two Rs, then -ence.
millennium Two Ls and two Ns.
recommend One C, two Ms.
harass One R, two Ss.
tomorrow One M, two Rs.
committed Two Ms and two Ts.
possession Double S twice.
successful Two Cs, two Ss, one L.
occasion Two Cs, one S.
occasionally Two Cs, one S, two Ls.
occurred Two Cs and two Rs.
aggressive Two Gs and two Ss.
aggression Double G, double S, then -ion.
accidentally Two Cs, and two Ls in -ally.
annually Two Ns and two Ls.
disappoint One S, two Ps.
dilemma One L, two Ms.
misspell Two Ss: mis and spell joined.
dumbbell Two Bs: dumb and bell joined.
underrate Two Rs: under and rate joined.
withhold Two Hs: with and hold joined.

Show all 152 words (128 more)

Double letters: accommodate, embarrass, continued

questionnaire Two Ns, and an E at the end.
personnel Two Ns, one L.
referred One F, then two Rs.
omission One M, two Ss.
vacuum One C, two Us.
immediately Two Ms.
beginning Two Ns in the middle.
really Two Ls.
tyranny One R, two Ns.
imitate One M.
inoculate One N and one C.
until One L.
almost One L.
awful One L, and no E after the W.
grateful One L, and it starts grate-, not great-.
welfare One L, then -fare.
pastime One S and one T.
intelligence Two Ls, then -ence.
allegiance Two Ls, then -iance.
apparent Two Ps, one R, then -ent.

I and E together: receive, weird 20

receive E before I, after the C.
weird E before I.
believe I before E.
achieve I before E.
friend I before E.
deceive E before I, after the C.
perceive E before I, after the C.
receipt E before I, and a P before the T.
chief I before E.
niece I before E.
seize E before I, though no C comes before it.
leisure E before I.
foreign E before I, then G before N.
height E before I, and it ends in T.
hierarchy I before E: hier-, not heir-.
hygiene Y first, then I before E.
fiery The E comes before the R, unlike fire.
mischievous I before E, and no I after the V.
conscientious S-C-I, then I before E, then -tious with a T.
experience I before E, then -ence.

The wrong vowel: separate, definitely 18

separate An A after the P.
definitely Finite inside: no A anywhere.
professor One F, two Ss, and it ends -or.
definite Ends -ite.
desperate An E after the P.
category An E in the middle: cat-e-gory.
benefit An E after the N.
privilege Two Is, then two Es, and no D.
minuscule Minus inside: a U after the N.
memento An E after the first M.
quarantine An A after the R.
repetition An E after the P, as in repeat.
controversy An O after the R.
humorous -mor- in the middle, with an O.
marshmallow Mallow, with an A.
kernel Ends -el.
speech Two Es, although the verb is speak.
secretary Secret inside, then -ary.

Endings: -able, -ence, -ance, -ar 19

acceptable Ends -able.
indispensable Ends -able.
noticeable Keeps the E of notice before -able.
changeable Keeps the E of change before -able.
advisable Drops the E of advise before -able.
readable Read, then -able.
existence Ends -ence.
presence Ends -ence.
absence S after the B, C in -ence.
reference Refer, then -ence.
perseverance Ends -ance.
guidance Ends -ance.
ignorance Ends -ance.
acquaintance A C before the Q, then -ance.
independent Ends -ent.
relevant L before V, then -ant.
calendar Ends -ar.
similar Ends -ar.
cemetery Three Es and no A.

A letter left out: rhythm, column 27

rhythm R-H-Y, then T-H-M: two Hs.
column An N after the M.
difference Two Fs, an E after them, then -ence.
maintenance -ten- in the middle, then -ance.
acquire A C before the Q.
acquit A C before the Q, and one T.
acknowledge A C before the K, and a D before the G.
twelfth An F before the T-H.
fascinating An S before the C.
conscious S-C-I in the middle.
library An R after the B.
surprise An R before the P, and an S near the end.
parliament An I before the A.
miniature An A after the second I.
liaison An I each side of the A.
original An I after the G.
camouflage O-U after the M.
colleague Two Ls, then -eague.
restaurant A-U in the middle, then -rant.
guarantee G-U-A at the start, two Es at the end.
outrageous Keeps the E of outrage before -ous.
religious Ends -ious.
potatoes An E before the S.
upholstery An E before the R.
acreage Keeps the E of acre before -age.
beautiful B, then E-A-U.
caught A-U-G-H, then T.

Other slips: argument, gauge, consensus 24

argument No E after the U.
gauge A before U.
consensus An S after the N.
vehicle Ends -cle.
sergeant Ser- at the start, then -geant.
business The I comes after the S.
exhilarate An H after the X, and an A after the L.
comparison Ends -ison.
publicly Ends -cly, with no A-L.
pronunciation -nun- in the middle, not -noun-.
disastrous No E after the T.
forty No U.
lightning No E after the T.
equipment No T after the P.
bellwether Bell and wether: no A.
supersede Ends -sede, with an S.
concede Ends -cede.
precede Ends -cede, not -ceed.
congratulate A T after the first A, not a D.
vicious A C in the middle.
buoy U before O.
buoyant U before O, then -yant.
amateur Ends -eur: E before U.
fluorescent U before O at the start, then S-C.

How this list was compiled: All 152 words stand on the documented list in the English Wikipedia article Commonly misspelled English words, https://en.wikipedia.org/wiki/Commonly_misspelled_English_words (read 2026-10-09). That list was used as evidence that a word is often misspelt and for the misspellings it documents; its text is not copied, and no wrong spelling is printed on this page. Every spelling here was checked against the ENABLE word list, https://norvig.com/ngrams/enable1.txt (read 2026-10-09). The groups are set by rule from the misspellings the article documents: Double letters when a documented slip changes which consonants are doubled; I and E together when the word holds ie or ei; The wrong vowel when a slip swaps one vowel for another; Endings when the slip falls in -able, -ible, -ance, -ence, -ant, -ent, -ar, -ary or -ery; A letter left out when a slip drops a letter that is not one of a pair; Other slips when a letter is added, two letters change places or a consonant is replaced. A word that fits several rules is in each of those groups and is listed under the first. The notes were written for this page and say where the letters go; every count of letters in them was checked. The rhyme I before E, except after C, and that it has many common exceptions: https://en.wikipedia.org/wiki/I_before_E_except_after_C (read 2026-10-09). Words that the article marks as spelt differently in British and American English (fulfil, judgment, license, skilful, wilful and the like) were left out, as were proper names, phrases of two words and words that are only confused with another word. Licence: ENABLE word list: public domain (its release statement is quoted at http://wordlist.aspell.net/scowl_v1-readme/). The Wikipedia article is under CC BY-SA 4.0 and is cited as a source of facts only. The choice of words, the groups and the notes are original to this site.

How it works

Spelling typing practice on 152 words that are often spelt wrong, such as accommodate and weird. Each is typed alone, a wrong letter shows as you press it, and the words are grouped by the trap that causes the mistake.

Read the full guide

Six traps, six groups

The page opens on double letters: accommodate has two Cs and two Ms, harass only one R. Then come I and E together (receive, weird), the wrong vowel (separate), endings such as -able and -ence, a letter left out (rhythm, column) and other slips (argument, gauge).

Keyboard spelling, one word at a time

1. Type each word and press space. No clock runs. 2. Carry on after a wrong letter, or go back and correct it. 3. Under your result, the main button moves to the next trap. Accuracy is your spelling check for the group: every wrong letter lowers it, corrected or not.

Questions and answers

Is this a spelling typing game?

No. This is typing and spelling practice as a drill: each word waits until you type it, with no lives or levels. For words that fall down the screen, try the typing games.

What is the I before E rule?

The rhyme says I before E, except after C: believe, but receive. It has many exceptions, and the second group here holds several of them: weird, seize, leisure, foreign and height.

Which commonly misspelled words are on the list?

All 152 are on a public list of commonly misspelled English words, named under the list below, and each spelling was checked against a public-domain word list. A short note beside every word says where the letters go.

Is the spelling British or American?

Both. Every word here is spelt the same way in the two, and words that differ, such as fulfil and judgment, were left out.