omevsozTell them apart

Quick tell: ome is a num, oz is an abbrev, so they fill different roles in a sentence.

Which to use

“ome” is a num and “oz” is an abbrev - they look or sound alike but fill different roles in a sentence.

#46,700
“ome” frequency rank
#16,661
“oz” frequency rank
63361
confusion score

Side-by-Side Comparison

Feature ome oz
Definition Dos. Abreviatura de ounce ('onza').

Where the eye mixes ome and oz

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

3 ch
ome
2 ch
oz

Visual trap between ome and oz

These two trip readers on the page rather than in the ear: ome is [ˈoː.me] while oz is /aʊns/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (num vs abbrev), which is usually the fastest check. Our composite confusion score for this pair is 63361, derived from the frequency rank of both members and their visual similarity.

ome is recorded at frequency rank #46,700, classified as anum, pronounced [ˈoː.me]. oz is at rank #16,661, tagged as anabbrev, 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 63361, this pair ranks #49,002 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of ome vs oz

Shared letters: o. Private to "ome": em. Private to "oz": z.

"ome" · 3 letters · shape VCV  ·  "oz" · 2 letters · shape VC

Frequently Asked Questions

Is swapping "ome" for "oz" ever safe?
No - they are not even the same part of speech. "ome" is a num and "oz" an abbrev, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "ome" or "oz" show up more?
"oz" is the more common of the two: it sits at frequency rank #16,661 in our Spanish list, against #46,700 for "ome". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "ome" and "oz" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "ome" 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 #49,002 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "ome" and "oz" also get mixed up with nearby pairs, the highest-scored neighbour is "oli vs ome". Nearby pair

Confusion rank #49,002 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