Which to use
“om” is a pronoun and “ost” is a noun - they look or sound alike but fill different roles in a sentence.
- #7,092
- “om” frequency rank
- #19,617
- “ost” frequency rank
- 26709
- confusion score
Side-by-Side Comparison
| Feature | om | ost |
|---|---|---|
| Definition | On. | ou Armée au Moyen Âge. |
Where the spellings diverge
Shared letters are muted; the letters that actually set om and ost apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
om and ost form a confusable pair in the French index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 1 letter(s) in length - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 26709, derived from the frequency rank of both members and their visual similarity.
om is recorded at frequency rank #7,092, classified as apron. ost is at rank #19,617, tagged as anoun, pronounced \ɔst\.
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 26709, this pair ranks #333,313 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Frequency comparison
Frequently Asked Questions
Can "om" and "ost" be used interchangeably?
Remembering om vs ost
The fastest way to pick the right one every time.
- Check the role first: if you need a pronoun, it's “om”; for a noun, it's “ost”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “om” entry
- Browse more pairs most likely to be confused. Most confusable