clattervscotterConfusable pair

Quick tell: clatter is a verb, cotter is a noun, so they fill different roles in a sentence.

Which to use

“clatter” is a verb and “cotter” is a noun - they look or sound alike but fill different roles in a sentence.

#44,121
“clatter” frequency rank
#37,401
“cotter” frequency rank
81522
confusion score

Side-by-Side Comparison

Feature clatter cotter
Definition To make a rattling sound. A pin or wedge inserted through a slot to hold machine parts together.

Where the eye mixes clatter and cotter

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

7 ch
clatter
6 ch
cotter

Look-alike desk: clatter vs cotter

These two trip readers on the page rather than in the ear: clatter is /ˈklætɚ/ while cotter is /kɒtə/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 81522, derived from the frequency rank of both members and their visual similarity.

clatter is recorded at frequency rank #44,121, classified as averb, pronounced /ˈklætɚ/. 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 81522, this pair ranks #17,500 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of clatter vs cotter

Shared letters: cert. Private to "clatter": al. Private to "cotter": o.

"clatter" · 7 letters · shape CCVCCVC  ·  "cotter" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • clattercaltter · cclatter · clater · clatetr · clatterr · clattre · cllatter · cltater
  • cotterccotter · coter · cotetr · cotterr · cottre · ctoter · octter

Frequently Asked Questions

Is swapping "clatter" for "cotter" ever safe?
No - they are not even the same part of speech. "clatter" is a verb and "cotter" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "clatter" or "cotter"?
"cotter" is the more common of the two: it sits at frequency rank #37,401 in our English list, against #44,121 for "clatter". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "clatter" 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 #17,500 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "clatter" 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 #17,500 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