comervscotterTell them apart

Which to use

“comer” and “cotter” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#34,438
“comer” frequency rank
#37,401
“cotter” frequency rank
71839
confusion score

Side-by-Side Comparison

Feature comer cotter
Definition One in a race who is catching up to others and shows promise of winning. A pin or wedge inserted through a slot to hold machine parts together.

Where the eye mixes comer and cotter

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

5 ch
comer
6 ch
cotter

Visual trap between comer and cotter

A purely visual mix-up. comer (/ˈkʌmɚ/) and cotter (/kɒtə/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 71839, derived from the frequency rank of both members and their visual similarity.

comer is recorded at frequency rank #34,438, classified as anoun, pronounced /ˈkʌmɚ/. cotter is at rank #37,401, tagged as anoun, pronounced /kɒtə/.

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 71839, this pair ranks #45,178 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of comer vs cotter

Shared letters: ceor. Private to "comer": m. Private to "cotter": t.

"comer" · 5 letters · shape CVCVC  ·  "cotter" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • comerccomer · cmoer · coemr · comerr · commer · comre · ocmer
  • cotterccotter · coter · cotetr · cotterr · cottre · ctoter · octter

Frequently Asked Questions

Can "comer" and "cotter" be used interchangeably?
No. They are said differently (/ˈkʌmɚ/ versus /kɒtə/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "comer" or "cotter"?
"comer" is the more common of the two: it sits at frequency rank #34,438 in our English list, against #37,401 for "cotter". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "comer" and "cotter" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "comer" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cotter" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #45,178 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "comer" and "cotter" also get mixed up with nearby pairs, the highest-scored neighbour is "cotter vs cower". 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 #45,178 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