obsvsouiWhat's the difference?

Quick tell: obs is a noun, oui is an intj, so they fill different roles in a sentence.

Which to use

“obs” is a noun and “oui” is an intj - they look or sound alike but fill different roles in a sentence.

#34,614
“obs” frequency rank
#44,386
“oui” frequency rank
79000
confusion score

Side-by-Side Comparison

Feature obs oui
Definition Police observation. Synonym of yes.

Letter map: obs vs oui

Shared letters muted; letters that set obs and oui apart highlighted. Shared run: 1. obs (VCC) and oui (VVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
obs
3 ch
oui

Part-of-speech tell for obs / oui

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: obs is anoun and ouianintj. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 79000, derived from the frequency rank of both members and their visual similarity.

obs is recorded at frequency rank #34,614, classified as anoun. oui is at rank #44,386, tagged as anintj, pronounced /wiː/.

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 79000, this pair ranks #23,193 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of obs vs oui

Shared letters: o. Private to "obs": bs. Private to "oui": iu.

"obs" · 3 letters · shape VCC  ·  "oui" · 3 letters · shape VVV

Frequently Asked Questions

Can "obs" and "oui" be used interchangeably?
No - they are not even the same part of speech. "obs" is a noun and "oui" an intj, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "obs" or "oui"?
"obs" is the more common of the two: it sits at frequency rank #34,614 in our English list, against #44,386 for "oui". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "obs" and "oui".

  • Full dictionary entry for "obs" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "oui" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #23,193 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "obs" and "oui" also get mixed up with nearby pairs, the highest-scored neighbour is "omi vs oui". Nearby pair

Confusion rank #23,193 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list