clamsvsclumpsConfusable pair

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

Which to use

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

#24,408
“clams” frequency rank
#31,478
“clumps” frequency rank
55886
confusion score

Side-by-Side Comparison

Feature clams clumps
Definition plural of clam third-person singular simple present indicative of clump

Where the eye mixes clams and clumps

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. clams runs 5 letters (CCVCC) against clumps's 6 (CCVCCC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
clams
6 ch
clumps

Visual trap between clams and clumps

These two trip readers on the page rather than in the ear: clams is /klæmz/ while clumps is /klʌmps/. 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 (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 55886, derived from the frequency rank of both members and their visual similarity.

clams is recorded at frequency rank #24,408, classified as anoun, pronounced /klæmz/. clumps is at rank #31,478, tagged as averb, pronounced /klʌmps/.

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 55886, this pair ranks #130,205 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of clams vs clumps

Shared letters: clms. Private to "clams": a. Private to "clumps": pu.

"clams" · 5 letters · shape CCVCC  ·  "clumps" · 6 letters · shape CCVCCC

Known mistypes of this pair

  • clams ← calms · cclams · clamms · clamss · clasm · cllams · clmas · lcams
  • clumps ← cclumps · cllumps · clmups · clummps · clumpps · clumpss · clumsp · clupms

Frequently Asked Questions

Is swapping "clams" for "clumps" ever safe?
No - they are not even the same part of speech. "clams" is a noun and "clumps" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "clams" or "clumps"?
"clams" is the more common of the two: it sits at frequency rank #24,408 in our English list, against #31,478 for "clumps". 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 "clams" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "clumps" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #130,205 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "clams" and "clumps" also get mixed up with nearby pairs, the highest-scored neighbour is "chums vs clumps". 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 #130,205 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