opusvsososWhat's the difference?

Which to use

“opus” and “osos” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#16,657
“opus” frequency rank
#12,664
“osos” frequency rank
29321
confusion score

Side-by-Side Comparison

Feature opus osos
Definition Trabajo. Forma del plural de oso.

Where the eye mixes opus and osos

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
opus
4 ch
osos

Why the eye confuses opus with osos

A purely visual mix-up. opus (/ˈo.pus/) and osos ([ˈosos]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 29321, derived from the frequency rank of both members and their visual similarity.

opus is recorded at frequency rank #16,657, classified as anoun, pronounced /ˈo.pus/. 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 29321, this pair ranks #217,582 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of opus vs osos

Shared letters: os. Private to "opus": pu. Private to "osos": -.

"opus" · 4 letters · shape VCVC  ·  "osos" · 4 letters · shape VCVC

Known mistypes of this pair

  • opusoppus · opsu · opuss · oups · pous
  • ososooss · ososs · osso · ossos · soos

Frequently Asked Questions

Is swapping "opus" for "osos" ever safe?
No. They are said differently (/ˈo.pus/ versus [ˈosos]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "opus" or "osos"?
"osos" is the more common of the two: it sits at frequency rank #12,664 in our Spanish list, against #16,657 for "opus". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "opus" 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 #217,582 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "opus" and "osos" also get mixed up with nearby pairs, the highest-scored neighbour is "óseas vs osos". 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 #217,582 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