Which to use
“clamp” and “class” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #15,985
- “clamp” frequency rank
- #430
- “class” frequency rank
- 16415
- confusion score
Side-by-Side Comparison
| Feature | clamp | class |
|---|---|---|
| Definition | A brace, band, or clasp for strengthening or holding things that are apart together. | A group, collection, category or set sharing characteristics or attributes. |
Where the eye mixes clamp and class
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses clamp with class
A purely visual mix-up. clamp (/ˈklæmp/) and class (/klɑːs/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 16415, derived from the frequency rank of both members and their visual similarity.
clamp is recorded at frequency rank #15,985, classified as anoun, pronounced /ˈklæmp/. class is at rank #430, tagged as anoun, pronounced /klɑːs/.
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 16415, this pair ranks #457,877 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of clamp vs class
Shared letters: acl. Private to "clamp": mp. Private to "class": s.
"clamp" · 5 letters · shape CCVCC · "class" · 5 letters · shape CCVCC
Known mistypes of this pair
Frequently Asked Questions
Can "clamp" and "class" be used interchangeably?
Which is more common, "clamp" or "class"?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "clamp" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "class" - compare definitions side by side with the headword page. Word entry
- This pair ranks #457,877 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "clamp" and "class" also get mixed up with nearby pairs, the highest-scored neighbour is "cami vs clamp". 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 #457,877 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.