Which to use
“obese” is an adjective and “obs” is a noun - they look or sound alike but fill different roles in a sentence.
- #11,573
- “obese” frequency rank
- #34,614
- “obs” frequency rank
- 46187
- confusion score
Side-by-Side Comparison
| Feature | obese | obs |
|---|---|---|
| Definition | Extremely overweight, especially: weighing more than 20% (for men) or 25% (for women) over their conventionally ideal weight determined by height and build; or, having a body mass index over 30 kg/m². | Police observation. |
Letter map: obese vs obs
Shared letters muted; letters that set obese and obs apart highlighted. Shared run: 3. obese runs 5 letters (VCVCV) against obs's 3 (VCC) - the length gap alone is often enough to separate them once you know to check it.
Part-of-speech tell for obese / obs
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: obese is anadjective and obsanoun. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 46187, derived from the frequency rank of both members and their visual similarity.
obese is recorded at frequency rank #11,573, classified as anadj, pronounced /oʊˈbis/. obs is at rank #34,614, tagged as anoun.
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 46187, this pair ranks #214,129 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of obese vs obs
Shared letters: bos. Private to "obese": e. Private to "obs": -.
"obese" · 5 letters · shape VCVCV · "obs" · 3 letters · shape VCC
Known mistypes of this pair
- obese ← boese · obbese · obees · obesse · obsee · oebse
Frequently Asked Questions
Can "obese" and "obs" be used interchangeably?
Which is more common, "obese" or "obs"?
After this comparison
Pair "obese" vs "obs" is on the table, pick a follow-up below.
- Full dictionary entry for "obese" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "obs" - compare definitions side by side with the headword page. Word entry
- This pair ranks #214,129 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "obese" and "obs" 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 #214,129 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.