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Commonly Misspelled English Words: A Complete Reference

Introduction

Even native English speakers misspell words regularly. English spelling is notoriously inconsistent โ€” words borrowed from French, Latin, Greek, and Germanic languages all follow different rules. This guide covers the most commonly misspelled words with memory tips to help them stick.

Numbers and Quantities

Correct Common Mistake Memory Tip
hundred hunderd hun-DRED (no extra e)
thousand thousend thou-SAND
forty fourty forty has no ‘u’ (unlike four)
twelve tweleve tw-ELVE
forty-five fourty-five forty, not fourty
tens of thousands ten’s of thousand’s no apostrophes in plurals
one hundred, two hundred (not hunderd)
forty-five (not fourty-five โ€” forty drops the 'u')

Days of the Week

All days end in “-day”:

Day Common Mistake
Tuesday Tusday, Teusday
Wednesday Wendsday, Wensday
Thursday Thurdsday, Thrusday

Memory tip for Wednesday: Wed-NES-day (say it as written: Wed-nes-day)

Adjectives and Adverbs

Correct Common Mistake Notes
significant significent -ant not -ent
significantly significently -antly
favorite favourit American: favorite; British: favourite
changeable changable keep the ’e’ before -able
truly truely drop the ’e’: true โ†’ truly
maintenance maintainance main-TEN-ance
nineteenth ninteenth nine + teenth
well-known wellknown hyphenated

Nouns

Correct Common Mistake Notes
temperature temprature temp-er-a-ture (4 syllables)
restaurant resturant res-tau-RANT
failure failier fail-URE
century centuary cen-TU-ry
vehicle vehical ve-HI-cle
licence / license lisence licence (noun, British); license (verb/American)
dairy diary dairy = milk products; diary = journal
phenomenon phenominon phe-NOM-e-non (plural: phenomena)
writing writting one ’t’: writ-ing

Verbs

Correct Common Mistake Notes
receive recieve i before e except after c
achieve acheive same rule: ach-IEVE
believe beleive be-LIEVE
separate seperate sep-A-rate (there’s a rat in separate)
occur occure oc-CUR (no final e)
occurred occured double r: oc-CURRED
beginning begining double n: be-GIN-NING
committed commited double t: com-MIT-TED

The “i before e” Rule

The classic rule: i before e, except after c, or when sounded like ‘ay’ as in neighbor and weigh

i before e:    believe, achieve, field, piece, friend
except after c: receive, deceive, ceiling, perceive
sounded like 'ay': eight, weight, neighbor, vein
exceptions:    weird, seize, either, neither, leisure, foreign

Confusable Pairs

These words are often confused because they sound similar:

Word 1 Word 2 Difference
affect (verb) effect (noun) “The cold affects me.” / “The effect was immediate.”
their there / they’re possession / place / they are
your you’re possession / you are
its it’s possession / it is
then than time / comparison
accept except to receive / excluding
advice (noun) advise (verb) “My advice is…” / “I advise you to…”
dairy diary milk products / daily journal
licence license noun (British) / verb or American spelling
principal principle main person / rule or belief
stationary stationery not moving / paper and pens

Words with Silent Letters

Word Silent Letter Pronunciation
knife k /naษชf/
knight k, gh /naษชt/
write w /raษชt/
psychology p /saษชหˆkษ’lษ™dส’i/
Wednesday d /หˆwenzdeษช/
receipt p /rษชหˆsiหt/
island s /หˆaษชlษ™nd/
debt b /det/
subtle b /หˆsสŒtl/
foreign g /หˆfษ’rษชn/

Double Letter Patterns

Many spelling errors involve double letters. These patterns help:

Double before -ing/-ed when the final syllable is stressed:

begin โ†’ beginning (stress on -gin)
commit โ†’ committed (stress on -mit)
occur โ†’ occurred (stress on -cur)
refer โ†’ referred (stress on -fer)

No double when stress is on first syllable:

open โ†’ opening (stress on O-)
happen โ†’ happened (stress on HAP-)
listen โ†’ listened (stress on LIS-)

Memory Tricks

SEPARATE: There’s a RAT in sepaRATE NECESSARY: One Collar, two Socks (1 c, 2 s) ACCOMMODATION: Two Cots, two Mattresses (2 c, 2 m) RHYTHM: Rhythm Helps Your Two Hips Move BECAUSE: Big Elephants Can Always Understand Small Elephants ARITHMETIC: A Rat In The House May Eat The Ice Cream

Practice: Spot the Errors

Can you find the mistakes?

1. The resturant was very expencive.
2. She recieved a letter on Wendsday.
3. The temprature was fourty degrees.
4. It's maintainance is the responsability of the owner.
5. He's a well-know writter.

Answers:

  1. restaurant, expensive
  2. received, Wednesday
  3. temperature, forty
  4. maintenance, responsibility
  5. well-known, writer

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