wellvswoolTell them apart

Quick tell: well is a adverb, wool is a noun, so they fill different roles in a sentence.

Which to use

“well” is an adverb and “wool” is a noun - they look or sound alike but fill different roles in a sentence.

#99
“well” frequency rank
#8,228
“wool” frequency rank
8327
confusion score

Side-by-Side Comparison

Feature well wool
Definition Accurately, competently, satisfactorily. The hair of the sheep, llama and some other ruminants.

Where the eye mixes well and wool

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
well
4 ch
wool

Visual trap between well and wool

These two trip readers on the page rather than in the ear: well is /ˈwɛl/ while wool is /wʊl/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adverb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 8327, derived from the frequency rank of both members and their visual similarity.

well is recorded at frequency rank #99, classified as anadv, pronounced /ˈwɛl/. wool is at rank #8,228, tagged as anoun, pronounced /wʊl/.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 8327, this pair ranks #503,060 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of well vs wool

Shared letters: lw. Private to "well": e. Private to "wool": o.

"well" · 4 letters · shape CVCC  ·  "wool" · 4 letters · shape CVVC

Known mistypes of this pair

  • wellewll · wel · wlel · wwell
  • woolowol · wol · wolo · wooll · wwool

Frequently Asked Questions

Is swapping "well" for "wool" ever safe?
No - they are not even the same part of speech. "well" is an adverb and "wool" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "well" or "wool" show up more?
"well" is the more common of the two: it sits at frequency rank #99 in our English list, against #8,228 for "wool". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "well" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "wool" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #503,060 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "well" and "wool" also get mixed up with nearby pairs, the highest-scored neighbour is "wool vs wove". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #503,060 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list