worvsWuWhich spelling fits?

Quick tell: wor is a determiner, Wu is a name, so they fill different roles in a sentence.

Which to use

“wor” is a determiner and “Wu” is a name - they look or sound alike but fill different roles in a sentence.

#36,016
“wor” frequency rank
#9,555
“Wu” frequency rank
45571
confusion score

Side-by-Side Comparison

Feature wor Wu
Definition Our. Suzhou, a city in southern Jiangsu province in China, whence:

Where the eye mixes wor and Wu

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

3 ch
wor
2 ch
Wu

Why the eye confuses wor with Wu

These two trip readers on the page rather than in the ear: wor is /wɔː/ while Wu is /ˈwuː/. 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 (determiner vs name), which is usually the fastest check. Our composite confusion score for this pair is 45571, derived from the frequency rank of both members and their visual similarity.

wor is recorded at frequency rank #36,016, classified as adet, pronounced /wɔː/. Wu is at rank #9,555, tagged as aname, pronounced /ˈwuː/.

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 45571, this pair ranks #220,006 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of wor vs Wu

Shared letters: w. Private to "wor": or. Private to "Wu": u.

"wor" · 3 letters · shape CVC  ·  "Wu" · 2 letters · shape CV

Frequently Asked Questions

Is swapping "wor" for "Wu" ever safe?
No - they are not even the same part of speech. "wor" is a determiner and "Wu" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "wor" or "Wu"?
"Wu" is the more common of the two: it sits at frequency rank #9,555 in our English list, against #36,016 for "wor". 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 "wor" and "Wu" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "wor" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Wu" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #220,006 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "wor" and "Wu" also get mixed up with nearby pairs, the highest-scored neighbour is "wor vs wove". Nearby pair

Confusion rank #220,006 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