ofivsostConfusable pair

Which to use

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

#36,187
“ofi” frequency rank
#33,259
“ost” frequency rank
69446
confusion score

Side-by-Side Comparison

Feature ofi ost
Definition Oficina. Queso.

Where the eye mixes ofi and ost

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. ofi (VCV) and ost (VCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
ofi
3 ch
ost

Visual trap between ofi and ost

A purely visual mix-up. ofi ([ˈofi]) and ost ([ˈʊst]) 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 69446, derived from the frequency rank of both members and their visual similarity.

ofi is recorded at frequency rank #36,187, classified as anoun, pronounced [ˈofi]. ost is at rank #33,259, tagged as anoun, pronounced [ˈʊst].

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 69446, this pair ranks #31,955 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of ofi vs ost

Shared letters: o. Private to "ofi": fi. Private to "ost": st.

"ofi" · 3 letters · shape VCV  ·  "ost" · 3 letters · shape VCC

Frequently Asked Questions

Do "ofi" and "ost" mean the same thing in a sentence?
No. They are said differently ([ˈofi] versus [ˈʊst]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "ofi" vs "ost" - which ranks higher?
"ost" is the more common of the two: it sits at frequency rank #33,259 in our Spanish list, against #36,187 for "ofi". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "ofi" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ost" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #31,955 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "ofi" and "ost" also get mixed up with nearby pairs, the highest-scored neighbour is "ofi vs ome". Nearby pair

Confusion rank #31,955 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