oozevsozWhat's the difference?

Which to use

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

#37,125
“ooze” frequency rank
#7,037
“oz” frequency rank
44162
confusion score

Side-by-Side Comparison

Feature ooze oz
Definition Tanning liquor, an aqueous extract of vegetable matter (tanbark, sumac, etc.) in a tanning vat used to tan leather. Abbreviation of ounce; any of various units of weight and volume.

Where the eye mixes ooze and oz

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

4 ch
ooze
2 ch
oz

Look-alike desk: ooze vs oz

A purely visual mix-up. ooze (/uːz/) and oz (/aʊns/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 extra letter(s) - “oz” sits inside “ooze”. Our composite confusion score for this pair is 44162, derived from the frequency rank of both members and their visual similarity.

ooze is recorded at frequency rank #37,125, classified as anoun, pronounced /uːz/. oz is at rank #7,037, tagged as anoun, pronounced /aʊns/.

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 44162, this pair ranks #233,137 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ooze vs oz

Shared letters: oz. Private to "ooze": e. Private to "oz": -.

"ooze" · 4 letters · shape VVCV  ·  "oz" · 2 letters · shape VC

Known mistypes of this pair

  • oozeooez · oozze · oze · ozoe

Frequently Asked Questions

Do "ooze" and "oz" mean the same thing in a sentence?
No. They are said differently (/uːz/ versus /aʊns/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "ooze" or "oz"?
"oz" is the more common of the two: it sits at frequency rank #7,037 in our English list, against #37,125 for "ooze". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "ooze" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "oz" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #233,137 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "ooze" and "oz" also get mixed up with nearby pairs, the highest-scored neighbour is "OOC vs ooze". 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 #233,137 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