OPIvsopsWhat's the difference?

Which to use

“OPI” and “ops” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#45,558
“OPI” frequency rank
#9,639
“ops” frequency rank
55197
confusion score

Side-by-Side Comparison

Feature OPI ops
Definition Initialism of office of primary interest. operations

Letter map: OPI vs ops

Shared letters muted; letters that set OPI and ops apart highlighted. Shared run: 2.

3 ch
OPI
3 ch
ops

Spelling & dictionary notes on OPI vs ops

OPI and ops are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by a single letter - i in “OPI” becomes s in “ops”. Our composite confusion score for this pair is 55197, derived from the frequency rank of both members and their visual similarity.

OPI is recorded at frequency rank #45,558, classified as anoun. ops is at rank #9,639, tagged as anoun.

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 55197, this pair ranks #135,438 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of OPI vs ops

Shared letters: op. Private to "OPI": i. Private to "ops": s.

"OPI" · 3 letters · shape VCV  ·  "ops" · 3 letters · shape VCC

Frequently Asked Questions

Can "OPI" and "ops" be used interchangeably?
No. They differ by a single letter - i in “OPI” becomes s in “ops”, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "OPI" vs "ops" - which ranks higher?
"ops" is the more common of the two: it sits at frequency rank #9,639 in our English list, against #45,558 for "OPI". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "OPI" and "ops".

  • Full dictionary entry for "OPI" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ops" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #135,438 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "OPI" and "ops" also get mixed up with nearby pairs, the highest-scored neighbour is "omi vs OPI". Nearby pair

Confusion rank #135,438 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list