ojovsokWhat's the difference?

Quick tell: ojo is a noun, ok is a num, so they fill different roles in a sentence.

Which to use

“ojo” is a noun and “ok” is a num - they look or sound alike but fill different roles in a sentence.

#1,417
“ojo” frequency rank
#1,645
“ok” frequency rank
3062
confusion score

Side-by-Side Comparison

Feature ojo ok
Definition Órgano sensible a la luz que permite la visión en los seres vivos. Ocho.

Where the eye mixes ojo and ok

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

3 ch
ojo
2 ch
ok

Visual trap between ojo and ok

These two trip readers on the page rather than in the ear: ojo is [ˈoxo] while ok is /ˈok/. 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 (noun vs num), which is usually the fastest check. Our composite confusion score for this pair is 3062, derived from the frequency rank of both members and their visual similarity.

ojo is recorded at frequency rank #1,417, classified as anoun, pronounced [ˈoxo]. ok is at rank #1,645, tagged as anum, pronounced /ˈok/.

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 3062, this pair ranks #319,104 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of ojo vs ok

Shared letters: o. Private to "ojo": j. Private to "ok": k.

"ojo" · 3 letters · shape VCV  ·  "ok" · 2 letters · shape VC

Frequently Asked Questions

Is swapping "ojo" for "ok" ever safe?
No - they are not even the same part of speech. "ojo" is a noun and "ok" a num, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ojo" or "ok"?
"ojo" is the more common of the two: it sits at frequency rank #1,417 in our Spanish list, against #1,645 for "ok". 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 "ojo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ok" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #319,104 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "ojo" and "ok" also get mixed up with nearby pairs, the highest-scored neighbour is "ojito vs ojo". Nearby pair

Confusion rank #319,104 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