odiovsodiosoWhat's the difference?

Quick tell: odio is a noun, odioso is an adjective, so they fill different roles in a sentence.

Which to use

“odio” is a noun and “odioso” is an adjective - they look or sound alike but fill different roles in a sentence.

#942
“odio” frequency rank
#25,737
“odioso” frequency rank
26679
confusion score

Side-by-Side Comparison

Feature odio odioso
Definition Sentimiento de violento desagrado hacia alguien o algo, que lleva a desearle el mal. Que merece odio.

Where the eye mixes odio and odioso

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. odio runs 4 letters (VCVV) against odioso's 6 (VCVVCV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
odio
6 ch
odioso

Why the eye confuses odio with odioso

These two trip readers on the page rather than in the ear: odio is [ˈoð̞jo] while odioso is [oˈð̞joso]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “odio” sits inside “odioso”, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 26679, derived from the frequency rank of both members and their visual similarity.

odio is recorded at frequency rank #942, classified as anoun, pronounced [ˈoð̞jo]. odioso is at rank #25,737, tagged as anadj, pronounced [oˈð̞joso].

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 26679, this pair ranks #230,482 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of odio vs odioso

Shared letters: dio. Private to "odio": -. Private to "odioso": s.

"odio" · 4 letters · shape VCVV  ·  "odioso" · 6 letters · shape VCVVCV

Known mistypes of this pair

  • odio ← doio · oddio · odoi · oido
  • odioso ← doioso · oddioso · odioos · odiosso · odisoo · odoiso · oidoso

Frequently Asked Questions

Is swapping "odio" for "odioso" ever safe?
No - they are not even the same part of speech. "odio" is a noun and "odioso" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "odio" or "odioso" show up more?
"odio" is the more common of the two: it sits at frequency rank #942 in our Spanish list, against #25,737 for "odioso". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "odio" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "odioso" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #230,482 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "odio" and "odioso" also get mixed up with nearby pairs, the highest-scored neighbour is "ociosa vs odioso". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #230,482 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