Which to use
“primes” and “primus” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #33,375
- “primes” frequency rank
- #40,847
- “primus” frequency rank
- 74222
- confusion score
Side-by-Side Comparison
| Feature | primes | primus |
|---|---|---|
| Definition | plural of prime | One of the bishops of the Scottish Episcopal Church, who presides at the meetings of the bishops, and has certain privileges but no metropolitan authority. |
Where the eye mixes primes and primus
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Visual trap between primes and primus
A purely visual mix-up. primes (/pɹaɪmz/) and primus (/ˈpɹaɪməs/) 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 a single letter - e in “primes” becomes u in “primus”. Our composite confusion score for this pair is 74222, derived from the frequency rank of both members and their visual similarity.
primes is recorded at frequency rank #33,375, classified as anoun, pronounced /pɹaɪmz/. primus is at rank #40,847, tagged as anoun, pronounced /ˈpɹaɪməs/.
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 74222, this pair ranks #37,023 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of primes vs primus
Shared letters: imprs. Private to "primes": e. Private to "primus": u.
"primes" · 6 letters · shape CCVCVC · "primus" · 6 letters · shape CCVCVC
Known mistypes of this pair
Frequently Asked Questions
Do "primes" and "primus" mean the same thing in a sentence?
Which is more common, "primes" or "primus"?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "primes" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "primus" - compare definitions side by side with the headword page. Word entry
- This pair ranks #37,023 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "primes" and "primus" also get mixed up with nearby pairs, the highest-scored neighbour is "Priebus vs primus". 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 #37,023 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.