oopsvsosWhich spelling fits?

Quick tell: oops is a intj, os is a pronoun, so they fill different roles in a sentence.

Which to use

“oops” is an intj and “os” is a pronoun - they look or sound alike but fill different roles in a sentence.

#37,238
“oops” frequency rank
#449
“os” frequency rank
37687
confusion score

Side-by-Side Comparison

Feature oops os
Definition Uy, ups (interjección que denota un error imprevisto). Caso acusativo y dativo del pronombre personal vosotros, una de las formas de la segunda persona del plural en español.

Where the eye mixes oops and os

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

4 ch
oops
2 ch
os

Why the eye confuses oops with os

These two trip readers on the page rather than in the ear: oops is [ʊps, ups] while os is [os]. 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 (intj vs pronoun), which is usually the fastest check. Our composite confusion score for this pair is 37687, derived from the frequency rank of both members and their visual similarity.

oops is recorded at frequency rank #37,238, classified as anintj, pronounced [ʊps, ups]. os is at rank #449, tagged as apron, pronounced [os].

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 37687, this pair ranks #173,997 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of oops vs os

Shared letters: os. Private to "oops": p. Private to "os": -.

"oops" · 4 letters · shape VVCC  ·  "os" · 2 letters · shape VC

Known mistypes of this pair

  • oopsoopps · oopss · oosp · opos

Frequently Asked Questions

Do "oops" and "os" mean the same thing in a sentence?
No - they are not even the same part of speech. "oops" is an intj and "os" a pronoun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "oops" or "os"?
"os" is the more common of the two: it sits at frequency rank #449 in our Spanish list, against #37,238 for "oops". 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 "oops" and "os" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "oops" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "os" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #173,997 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "oops" and "os" also get mixed up with nearby pairs, the highest-scored neighbour is "oooh vs oops". 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 #173,997 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