amplevsampouleWhich spelling fits?

Quick tell: ample is a adjective, ampoule is a noun, so they fill different roles in a sentence.

Which to use

“ample” is an adjective and “ampoule” is a noun - they look or sound alike but fill different roles in a sentence.

#17,613
“ample” frequency rank
#12,902
“ampoule” frequency rank
30515
confusion score

Side-by-Side Comparison

Feature ample ampoule
Definition Qui dépasse en largeur et en longueur la mesure ordinaire. Récipient en verre, sorte de fiole, à col effilé.

Where the eye mixes ample and ampoule

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

5 ch
ample
7 ch
ampoule

Why the eye confuses ample with ampoule

These two trip readers on the page rather than in the ear: ample is \ɑ̃pl\ while ampoule is \ɑ̃.pul\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 30515, derived from the frequency rank of both members and their visual similarity.

ample is recorded at frequency rank #17,613, classified as anadj, pronounced \ɑ̃pl\. ampoule is at rank #12,902, tagged as anoun, pronounced \ɑ̃.pul\.

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 30515, this pair ranks #309,808 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ample vs ampoule

Shared letters: aelmp. Private to "ample": -. Private to "ampoule": ou.

"ample" · 5 letters · shape VCCCV  ·  "ampoule" · 7 letters · shape VCCVVCV

Known mistypes of this pair

  • ampleamlpe · ammple · ampel · amplle · ampple · apmle
  • ampouleammpoule · amopule · ampolue · ampouel · ampoulle · amppoule · ampuole · apmoule

Frequently Asked Questions

Can "ample" and "ampoule" be used interchangeably?
No - they are not even the same part of speech. "ample" is an adjective and "ampoule" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ample" or "ampoule"?
"ampoule" is the more common of the two: it sits at frequency rank #12,902 in our French list, against #17,613 for "ample". 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 "ample" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ampoule" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #309,808 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "ample" and "ampoule" also get mixed up with nearby pairs, the highest-scored neighbour is "ampère vs ample". 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 #309,808 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