perfsvsPerthTell them apart

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

Which to use

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

#46,951
“perfs” frequency rank
#28,687
“Perth” frequency rank
75638
confusion score

Side-by-Side Comparison

Feature perfs Perth
Definition Pluriel de perf. Ville d’Écosse située dans le district de Perth and Kinross, traversée par la Tay.

Where the eye mixes perfs and Perth

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. perfs and Perth follow the identical consonant-vowel pattern (CVCCC). Same shape at a glance is often the real trap, independent of shared letters.

5 ch
perfs
5 ch
Perth

Look-alike desk: perfs vs Perth

These two trip readers on the page rather than in the ear: perfs is \pɛʁf\ while Perth is \pœʁs\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 75638, derived from the frequency rank of both members and their visual similarity.

perfs is recorded at frequency rank #46,951, classified as anoun, pronounced \pɛʁf\. 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 75638, this pair ranks #33,464 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of perfs vs Perth

Shared letters: epr. Private to "perfs": fs. Private to "Perth": ht.

"perfs" · 5 letters · shape CVCCC  ·  "Perth" · 5 letters · shape CVCCC

Known mistypes of this pair

  • perfs ← eprfs · pefrs · perffs · perfss · perrfs · persf · pperfs · prefs
  • Perth ← eprth · perht · perrth · perthh · pertth · petrh · pperth · preth

Frequently Asked Questions

Do "perfs" and "Perth" mean the same thing in a sentence?
No - they are not even the same part of speech. "perfs" is a noun and "Perth" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "perfs" or "Perth"?
"Perth" is the more common of the two: it sits at frequency rank #28,687 in our French list, against #46,951 for "perfs". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "perfs" 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 #33,464 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "perfs" and "Perth" also get mixed up with nearby pairs, the highest-scored neighbour is "perfs vs pètes". 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 #33,464 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