Which to use
“Willi” is a name and “William” is a noun - they look or sound alike but fill different roles in a sentence.
- #42,994
- “Willi” frequency rank
- #1,414
- “William” frequency rank
- 44408
- confusion score
Side-by-Side Comparison
| Feature | Willi | William |
|---|---|---|
| Definition | A surname from German. | radiotelephony clear-code word for the letter W. |
Letter map: Willi vs William
Shared letters muted; letters that set Willi and William apart highlighted. Shared run: 5.
Grammar separator: Willi vs William
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Willi is aname and Williamanoun. On the page they differ by 2 extra letter(s) - “Willi” sits inside “William”. Our composite confusion score for this pair is 44408, derived from the frequency rank of both members and their visual similarity.
Willi is recorded at frequency rank #42,994, classified as aname. William is at rank #1,414, tagged as anoun, pronounced /ˈwɪl.i.əm/.
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 44408, this pair ranks #230,822 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of Willi vs William
Shared letters: ilw. Private to "Willi": -. Private to "William": am.
"Willi" · 5 letters · shape CVCCV · "William" · 7 letters · shape CVCCVVC
Known mistypes of this pair
Frequently Asked Questions
Do "Willi" and "William" mean the same thing in a sentence?
Which is more common, "Willi" or "William"?
Useful next steps
Pair "Willi" vs "William" is on the table, pick a follow-up below.
- Full dictionary entry for "Willi" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "William" - compare definitions side by side with the headword page. Word entry
- This pair ranks #230,822 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "Willi" and "William" also get mixed up with nearby pairs, the highest-scored neighbour is "Willey vs Willi". 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 #230,822 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.