oldvsoxWhat's the difference?

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

Which to use

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

#174
“old” frequency rank
#15,672
“ox” frequency rank
15846
confusion score

Side-by-Side Comparison

Feature old ox
Definition Of an object, concept, relationship, etc., having existed for a relatively long period of time. An adult castrated male of cattle (B. taurus), especially when used as a beast of burden.

Where the eye mixes old and ox

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

3 ch
old
2 ch
ox

Why the eye confuses old with ox

These two trip readers on the page rather than in the ear: old is /ˈəʊld/ while ox is /ˈɑks/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 15846, derived from the frequency rank of both members and their visual similarity.

old is recorded at frequency rank #174, classified as anadj, pronounced /ˈəʊld/. ox is at rank #15,672, tagged as anoun, pronounced /ˈɑks/.

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 15846, this pair ranks #461,429 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of old vs ox

Shared letters: o. Private to "old": dl. Private to "ox": x.

"old" · 3 letters · shape VCC  ·  "ox" · 2 letters · shape VC

Frequently Asked Questions

Can "old" and "ox" be used interchangeably?
No - they are not even the same part of speech. "old" is an adjective and "ox" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "old" or "ox"?
"old" is the more common of the two: it sits at frequency rank #174 in our English list, against #15,672 for "ox". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "old" 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 #461,429 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "old" and "ox" also get mixed up with nearby pairs, the highest-scored neighbour is "omi vs ox". Nearby pair

Confusion rank #461,429 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