primatesvsprimesTell them apart

Which to use

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

#22,473
“primates” frequency rank
#33,375
“primes” frequency rank
55848
confusion score

Side-by-Side Comparison

Feature primates primes
Definition plural of primate plural of prime

Where the eye mixes primates and primes

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

8 ch
primates
6 ch
primes

Visual trap between primates and primes

A purely visual mix-up. primates (/ˈpɹaɪmeɪts/) and primes (/pɹaɪmz/) 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 2 letter(s) in length. Our composite confusion score for this pair is 55848, derived from the frequency rank of both members and their visual similarity.

primates is recorded at frequency rank #22,473, classified as anoun, pronounced /ˈpɹaɪmeɪts/. primes is at rank #33,375, tagged as anoun, pronounced /pɹaɪmz/.

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 55848, this pair ranks #130,520 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of primates vs primes

Shared letters: eimprs. Private to "primates": at. Private to "primes": -.

"primates" · 8 letters · shape CCVCVCVC  ·  "primes" · 6 letters · shape CCVCVC

Known mistypes of this pair

  • primatespirmates · pprimates · priamtes · primaets · primatess · primatse · primattes · primmates
  • primespirmes · pprimes · priems · primess · primmes · primse · prmies · prrimes

Frequently Asked Questions

Is swapping "primates" for "primes" ever safe?
No. They are said differently (/ˈpɹaɪmeɪts/ versus /pɹaɪmz/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "primates" or "primes" show up more?
"primates" is the more common of the two: it sits at frequency rank #22,473 in our English list, against #33,375 for "primes". 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 "primates" and "primes" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "primates" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "primes" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #130,520 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "primates" and "primes" also get mixed up with nearby pairs, the highest-scored neighbour is "plies vs primes". 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 #130,520 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