poliovsPollyTell them apart

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

Which to use

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

#35,647
“polio” frequency rank
#33,406
“Polly” frequency rank
69053
confusion score

Side-by-Side Comparison

Feature polio Polly
Definition Poliomyélite. Prénom féminin anglais.

Where the eye mixes polio and Polly

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. polio (CVCVV) and Polly (CVCCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

5 ch
polio
5 ch
Polly

Look-alike desk: polio vs Polly

These two trip readers on the page rather than in the ear: polio is \pɔ.ljo\ while Polly is \pɒ.li\. 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 69053, derived from the frequency rank of both members and their visual similarity.

polio is recorded at frequency rank #35,647, classified as anoun, pronounced \pɔ.ljo\. Polly is at rank #33,406, tagged as aname, pronounced \pɒ.li\.

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 69053, this pair ranks #56,665 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of polio vs Polly

Shared letters: lop. Private to "polio": i. Private to "Polly": y.

"polio" · 5 letters · shape CVCVV  ·  "Polly" · 5 letters · shape CVCCV

Known mistypes of this pair

  • polio ← oplio · ploio · poilo · pollio · poloi · ppolio
  • Polly ← oplly · ploly · pollyy · poly · polyl · ppolly

Frequently Asked Questions

Is swapping "polio" for "Polly" ever safe?
No - they are not even the same part of speech. "polio" is a noun and "Polly" a name, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "polio" or "Polly" show up more?
"Polly" is the more common of the two: it sits at frequency rank #33,406 in our French list, against #35,647 for "polio". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "polio" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Polly" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #56,665 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "polio" and "Polly" also get mixed up with nearby pairs, the highest-scored neighbour is "polio vs pouliot". 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 #56,665 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