Which to use
“ob” is a noun and “ow” is an intj - they look or sound alike but fill different roles in a sentence.
- #16,547
- “ob” frequency rank
- #12,291
- “ow” frequency rank
- 28838
- confusion score
Side-by-Side Comparison
| Feature | ob | ow |
|---|---|---|
| Definition | a halfpenny | Synonym of ouch (“cry of pain”). |
Where the eye mixes ob and ow
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between ob and ow
These two trip readers on the page rather than in the ear: ob is /ɒb/ while ow is /ˈaʊ/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - b in “ob” becomes w in “ow”, and the parts of speech differ too (noun vs intj), which is usually the fastest check. Our composite confusion score for this pair is 28838, derived from the frequency rank of both members and their visual similarity.
ob is recorded at frequency rank #16,547, classified as anoun, pronounced /ɒb/. ow is at rank #12,291, tagged as anintj, pronounced /ˈaʊ/.
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 28838, this pair ranks #367,896 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of ob vs ow
Shared letters: o. Private to "ob": b. Private to "ow": w.
"ob" · 2 letters · shape VC · "ow" · 2 letters · shape VC
Frequently Asked Questions
Do "ob" and "ow" mean the same thing in a sentence?
Frequency check: "ob" vs "ow" - which ranks higher?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "ob" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ow" - compare definitions side by side with the headword page. Word entry
- This pair ranks #367,896 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "ob" and "ow" also get mixed up with nearby pairs, the highest-scored neighbour is "ob vs omi". Nearby pair
Confusion rank #367,896 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.