Which to use
“ohm” and “oz” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #28,649
- “ohm” frequency rank
- #7,037
- “oz” frequency rank
- 35686
- confusion score
Side-by-Side Comparison
| Feature | ohm | oz |
|---|---|---|
| Definition | In the International System of Units, the derived unit of electrical resistance; the electrical resistance of a device across which a potential difference of one volt causes a current of one ampere. | Abbreviation of ounce; any of various units of weight and volume. |
Where the eye mixes ohm and oz
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses ohm with oz
A purely visual mix-up. ohm (/əʊm/) and oz (/aʊns/) 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 35686, derived from the frequency rank of both members and their visual similarity.
ohm is recorded at frequency rank #28,649, classified as anoun, pronounced /əʊm/. oz is at rank #7,037, tagged as anoun, pronounced /aʊns/.
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 35686, this pair ranks #309,802 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of ohm vs oz
Shared letters: o. Private to "ohm": hm. Private to "oz": z.
"ohm" · 3 letters · shape VCC · "oz" · 2 letters · shape VC
Frequently Asked Questions
Is swapping "ohm" for "oz" ever safe?
Which is more common, "ohm" or "oz"?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "ohm" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "oz" - compare definitions side by side with the headword page. Word entry
- This pair ranks #309,802 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "ohm" and "oz" also get mixed up with nearby pairs, the highest-scored neighbour is "ohm vs omi". Nearby pair
Confusion rank #309,802 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.