Which to use
“ohm” and “om” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #28,649
- “ohm” frequency rank
- #13,970
- “om” frequency rank
- 42619
- confusion score
Side-by-Side Comparison
| Feature | ohm | om |
|---|---|---|
| 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. | A sacred, mystical syllable used in prayer and meditation. |
Where the eye mixes ohm and om
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses ohm with om
A purely visual mix-up. ohm (/əʊm/) and om (/ɒm/) 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 42619, 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/. om is at rank #13,970, tagged as anoun, pronounced /ɒm/.
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 42619, this pair ranks #247,567 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of ohm vs om
Shared letters: mo. Private to "ohm": h. Private to "om": -.
"ohm" · 3 letters · shape VCC · "om" · 2 letters · shape VC
Frequently Asked Questions
Do "ohm" and "om" mean the same thing in a sentence?
Which is more common, "ohm" or "om"?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "ohm" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "om" - compare definitions side by side with the headword page. Word entry
- This pair ranks #247,567 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "ohm" and "om" also get mixed up with nearby pairs, the highest-scored neighbour is "ohm vs omi". Nearby pair
Confusion rank #247,567 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.