obesosvsososWhich spelling fits?

Quick tell: obesos is a adjective, osos is a noun, so they fill different roles in a sentence.

Which to use

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

#41,508
“obesos” frequency rank
#12,664
“osos” frequency rank
54172
confusion score

Side-by-Side Comparison

Feature obesos osos
Definition Forma del masculino plural de obeso. Forma del plural de oso.

Where the eye mixes obesos and osos

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
obesos
4 ch
osos

Why the eye confuses obesos with osos

These two trip readers on the page rather than in the ear: obesos is [oˈβ̞esos] while osos is [ˈosos]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 54172, derived from the frequency rank of both members and their visual similarity.

obesos is recorded at frequency rank #41,508, classified as anadj, pronounced [oˈβ̞esos]. osos is at rank #12,664, tagged as anoun, pronounced [ˈosos].

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 54172, this pair ranks #84,504 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of obesos vs osos

Shared letters: os. Private to "obesos": be. Private to "osos": -.

"obesos" · 6 letters · shape VCVCVC  ·  "osos" · 4 letters · shape VCVC

Known mistypes of this pair

  • obesosboesos · obbesos · obeoss · obesoss · obessos · obseos · oebsos · ovesos
  • ososooss · ososs · osso · ossos · soos

Frequently Asked Questions

Is swapping "obesos" for "osos" ever safe?
No - they are not even the same part of speech. "obesos" is an adjective and "osos" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "obesos" or "osos" show up more?
"osos" is the more common of the two: it sits at frequency rank #12,664 in our Spanish list, against #41,508 for "obesos". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "obesos" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "osos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #84,504 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "obesos" and "osos" also get mixed up with nearby pairs, the highest-scored neighbour is "obesos vs óleos". 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 #84,504 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