oírvsozWhat's the difference?

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

Which to use

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

#3,866
“oír” frequency rank
#16,661
“oz” frequency rank
20527
confusion score

Side-by-Side Comparison

Feature oír oz
Definition Percibir sonidos con el oído. Abreviatura de ounce ('onza').

Where the spellings diverge

Shared letters are muted; the letters that actually set oír and oz apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.

3 ch
oír
2 ch
oz

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: oír is [oˈiɾ] 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 20527, derived from the frequency rank of both members and their visual similarity.

oír is recorded at frequency rank #3,866, classified as averb, pronounced [oˈiɾ]. 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 20527, this pair ranks #258,953 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of oír vs oz

Shared letters: o. Private to "oír": . Private to "oz": z.

"oír" · 3 letters · shape VVC  ·  "oz" · 2 letters · shape VC

Frequently Asked Questions

Can "oír" and "oz" be used interchangeably?
No - they are not even the same part of speech. "oír" is a verb and "oz" an abbrev, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "oír" or "oz"?
"oír" is the more common of the two: it sits at frequency rank #3,866 in our Spanish list, against #16,661 for "oz". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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

Source: FrequencyWords open word-frequency list