oírvsosoWhat's the difference?

Quick tell: oír is a verb, oso is a noun, so they fill different roles in a sentence.

Which to use

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

#3,866
“oír” frequency rank
#5,644
“oso” frequency rank
9510
confusion score

Side-by-Side Comparison

Feature oír oso
Definition Percibir sonidos con el oído. Nombre común de los mamíferos carnívoros de la familia úrsidos que incluye géneros Ursus, Thalarctos y Tremarctos entre otros. Son de tamaño considerable, de cabeza voluminosa, ojos pequeños y orejas mas o menos cortas y redondeadas. Tronco tosco, patas cortas y robustas, pies con uñas no retráctiles. Son omnívoros y grandes marchadores. Actualmente los osos se hallan en algunas zonas de Europa, Asia y América; no se encuentran en África, Australia y la Antártida.

Where the spellings diverge

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

3 ch
oír
3 ch
oso

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: oír is [oˈiɾ] while oso is [ˈoso]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 9510, 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]. oso is at rank #5,644, tagged as anoun, pronounced [ˈoso].

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 9510, this pair ranks #301,716 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of oír vs oso

Shared letters: o. Private to "oír": . Private to "oso": s.

"oír" · 3 letters · shape VVC  ·  "oso" · 3 letters · shape VCV

Frequently Asked Questions

Can "oír" and "oso" be used interchangeably?
No - they are not even the same part of speech. "oír" is a verb and "oso" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "oír" or "oso"?
"oír" is the more common of the two: it sits at frequency rank #3,866 in our Spanish list, against #5,644 for "oso". 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