Which to use
“oar” and “ob” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #33,347
- “oar” frequency rank
- #16,547
- “ob” frequency rank
- 49894
- confusion score
Side-by-Side Comparison
| Feature | oar | ob |
|---|---|---|
| Definition | A type of lever used to propel a boat, having a flat blade at one end and a handle at the other, and pivoted in a rowlock atop the gunwale, whereby a rower seated in the boat and pulling the handle can pass the blade through the water by repeated strokes against the water's resistance, thus moving the boat. | a halfpenny |
Where the eye mixes oar and ob
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Spelling & Dictionary Insight
A purely visual mix-up. oar (/ɔː/) and ob (/ɒb/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 49894, derived from the frequency rank of both members and their visual similarity.
oar is recorded at frequency rank #33,347, classified as anoun, pronounced /ɔː/. ob is at rank #16,547, tagged as anoun, pronounced /ɒb/.
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 49894, this pair ranks #179,293 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of oar vs ob
Shared letters: o. Private to "oar": ar. Private to "ob": b.
"oar" · 3 letters · shape VVC · "ob" · 2 letters · shape VC