olivsozWhich spelling fits?

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

Which to use

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

#45,480
“oli” frequency rank
#16,661
“oz” frequency rank
62141
confusion score

Side-by-Side Comparison

Feature oli oz
Definition Tercera persona del singular del pretérito imperfecto de olla Abreviatura de ounce ('onza').

Where the eye mixes oli and oz

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

3 ch
oli
2 ch
oz

Look-alike desk: oli vs oz

These two trip readers on the page rather than in the ear: oli is [ˈo̞li] 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 (verb vs abbrev), which is usually the fastest check. Our composite confusion score for this pair is 62141, derived from the frequency rank of both members and their visual similarity.

oli is recorded at frequency rank #45,480, classified as averb, pronounced [ˈo̞li]. 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 62141, this pair ranks #53,001 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of oli vs oz

Shared letters: o. Private to "oli": il. Private to "oz": z.

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

Frequently Asked Questions

Is swapping "oli" for "oz" ever safe?
No - they are not even the same part of speech. "oli" is a verb and "oz" an abbrev, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "oli" or "oz"?
"oz" is the more common of the two: it sits at frequency rank #16,661 in our Spanish list, against #45,480 for "oli". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "oli" 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 #53,001 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "oli" and "oz" also get mixed up with nearby pairs, the highest-scored neighbour is "oli vs ome". Nearby pair

Confusion rank #53,001 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