oivsoxWhat's the difference?

Quick tell: oi is a phrase, ox is a noun, so they fill different roles in a sentence.

Which to use

“oi” is a phrase and “ox” is a noun - they look or sound alike but fill different roles in a sentence.

#26,990
“oi” frequency rank
#44,121
“ox” frequency rank
71111
confusion score

Side-by-Side Comparison

Feature oi ox
Definition ein Grußwort mit unverbindlichem Charakter der Ochse

Where the eye mixes oi and ox

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

2 ch
oi
2 ch
ox

Look-alike desk: oi vs ox

These two trip readers on the page rather than in the ear: oi is [oj] while ox is [ɒks]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - i in “oi” becomes x in “ox”, and the parts of speech differ too (phrase vs noun), which is usually the fastest check. Our composite confusion score for this pair is 71111, derived from the frequency rank of both members and their visual similarity.

oi is recorded at frequency rank #26,990, classified as aphrase, pronounced [oj]. ox is at rank #44,121, tagged as anoun, pronounced [ɒks].

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 71111, this pair ranks #426,383 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of oi vs ox

Shared letters: o. Private to "oi": i. Private to "ox": x.

"oi" · 2 letters · shape VV  ·  "ox" · 2 letters · shape VC

Frequently Asked Questions

Is swapping "oi" for "ox" ever safe?
No - they are not even the same part of speech. "oi" is a phrase and "ox" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "oi" vs "ox" - which ranks higher?
"oi" is the more common of the two: it sits at frequency rank #26,990 in our German list, against #44,121 for "ox". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "oi" and "ox" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "oi" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ox" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #426,383 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "oi" and "ox" also get mixed up with nearby pairs, the highest-scored neighbour is "OGH vs ox". Nearby pair

Confusion rank #426,383 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list