persvsPerthWhat's the difference?

Quick tell: pers is a adjective, Perth is a name, so they fill different roles in a sentence.

Which to use

“pers” is an adjective and “Perth” is a name - they look or sound alike but fill different roles in a sentence.

#17,512
“pers” frequency rank
#28,687
“Perth” frequency rank
46199
confusion score

Side-by-Side Comparison

Feature pers Perth
Definition Qui est entre le bleu et le vert (surtout en parlant des yeux). Ville d’Écosse située dans le district de Perth and Kinross, traversée par la Tay.

Where the eye mixes pers and Perth

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
pers
5 ch
Perth

Why the eye confuses pers with Perth

These two trip readers on the page rather than in the ear: pers is \pɛʁ\ while Perth is \pœʁs\. 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 (adjective vs name), which is usually the fastest check. Our composite confusion score for this pair is 46199, derived from the frequency rank of both members and their visual similarity.

pers is recorded at frequency rank #17,512, classified as anadj, pronounced \pɛʁ\. Perth is at rank #28,687, tagged as aname, pronounced \pœʁs\.

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 46199, this pair ranks #196,829 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of pers vs Perth

Shared letters: epr. Private to "pers": s. Private to "Perth": ht.

"pers" · 4 letters · shape CVCC  ·  "Perth" · 5 letters · shape CVCCC

Known mistypes of this pair

  • perseprs · perrs · pesr · ppers
  • Pertheprth · perht · perrth · perthh · pertth · petrh · pperth · preth

Frequently Asked Questions

Can "pers" and "Perth" be used interchangeably?
No - they are not even the same part of speech. "pers" is an adjective and "Perth" a name, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "pers" or "Perth" show up more?
"pers" is the more common of the two: it sits at frequency rank #17,512 in our French list, against #28,687 for "Perth". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "pers" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Perth" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #196,829 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "pers" and "Perth" also get mixed up with nearby pairs, the highest-scored neighbour is "perfs vs Perth". 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 #196,829 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list