omvsostWhat's the difference?

Which to use

“om” and “ost” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#24,976
“om” frequency rank
#33,259
“ost” frequency rank
58235
confusion score

Side-by-Side Comparison

Feature om ost
Definition Hombre Queso.

Where the eye mixes om and ost

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

2 ch
om
3 ch
ost

Look-alike desk: om vs ost

A purely visual mix-up. om ([om]) and ost ([ˈʊst]) 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 58235, derived from the frequency rank of both members and their visual similarity.

om is recorded at frequency rank #24,976, classified as anoun, pronounced [om]. ost is at rank #33,259, tagged as anoun, pronounced [ˈʊst].

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 58235, this pair ranks #67,220 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of om vs ost

Shared letters: o. Private to "om": m. Private to "ost": st.

"om" · 2 letters · shape VC  ·  "ost" · 3 letters · shape VCC

Frequently Asked Questions

Is swapping "om" for "ost" ever safe?
No. They are said differently ([om] versus [ˈʊst]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "om" or "ost"?
"om" is the more common of the two: it sits at frequency rank #24,976 in our Spanish list, against #33,259 for "ost". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "om" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ost" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #67,220 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "om" and "ost" also get mixed up with nearby pairs, the highest-scored neighbour is "ome vs ost". Nearby pair

Confusion rank #67,220 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list