Which to use
“obs” is a noun and “oust” is a verb - they look or sound alike but fill different roles in a sentence.
- #34,614
- “obs” frequency rank
- #31,281
- “oust” frequency rank
- 65895
- confusion score
Side-by-Side Comparison
| Feature | obs | oust |
|---|---|---|
| Definition | Police observation. | To expel; to remove. |
Letter map: obs vs oust
Shared letters muted; letters that set obs and oust apart highlighted. Shared run: 2.
Part-of-speech tell for obs / oust
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: obs is anoun and oustaverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 65895, derived from the frequency rank of both members and their visual similarity.
obs is recorded at frequency rank #34,614, classified as anoun. oust is at rank #31,281, tagged as averb, pronounced /aʊst/.
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 65895, this pair ranks #70,559 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of obs vs oust
Shared letters: os. Private to "obs": b. Private to "oust": tu.
"obs" · 3 letters · shape VCC · "oust" · 4 letters · shape VVCC
Known mistypes of this pair
- oust ← osut · ousst · oustt · outs · uost
Frequently Asked Questions
Can "obs" and "oust" be used interchangeably?
Which is more common, "obs" or "oust"?
What to do next
You've compared "obs" and "oust". Here's where to go from here.
- Full dictionary entry for "obs" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "oust" - compare definitions side by side with the headword page. Word entry
- This pair ranks #70,559 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "obs" and "oust" also get mixed up with nearby pairs, the highest-scored neighbour is "obs vs omi". 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 #70,559 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.