obstinévsostieTell them apart

Quick tell: obstiné is a adjective, ostie is an intj, so they fill different roles in a sentence.

Which to use

“obstiné” is an adjective and “ostie” is an intj - they look or sound alike but fill different roles in a sentence.

#33,376
“obstiné” frequency rank
#27,165
“ostie” frequency rank
60541
confusion score

Side-by-Side Comparison

Feature obstiné ostie
Definition Qui s’obstine ; qui est entêté ou acharné. Sacre, juron québécois, un des plus courants.

Where the eye mixes obstiné and ostie

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. obstiné runs 7 letters (VCCCVCV) against ostie's 5 (VCCVV) - the length gap alone is often enough to separate them once you know to check it.

7 ch
obstiné
5 ch
ostie

Look-alike desk: obstiné vs ostie

These two trip readers on the page rather than in the ear: obstiné is \ɔp.sti.ne\ while ostie is \ɔs.ti\. 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 intj), which is usually the fastest check. Our composite confusion score for this pair is 60541, derived from the frequency rank of both members and their visual similarity.

obstiné is recorded at frequency rank #33,376, classified as anadj, pronounced \ɔp.sti.ne\. ostie is at rank #27,165, tagged as anintj, pronounced \ɔs.ti\.

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 60541, this pair ranks #97,088 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of obstiné vs ostie

Shared letters: iost. Private to "obstiné": bné. Private to "ostie": e.

"obstiné" · 7 letters · shape VCCCVCV  ·  "ostie" · 5 letters · shape VCCVV

Known mistypes of this pair

  • ostie ← osite · osstie · ostei · osttie · otsie · sotie

Frequently Asked Questions

Can "obstiné" and "ostie" be used interchangeably?
No - they are not even the same part of speech. "obstiné" is an adjective and "ostie" an intj, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "obstiné" or "ostie" show up more?
"ostie" is the more common of the two: it sits at frequency rank #27,165 in our French list, against #33,376 for "obstiné". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "obstiné" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ostie" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #97,088 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "obstiné" and "ostie" also get mixed up with nearby pairs, the highest-scored neighbour is "obstiné vs obstinée". 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 #97,088 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