WillivswillyWhich spelling fits?

Quick tell: Willi is a name, willy is an adjective, so they fill different roles in a sentence.

Which to use

“Willi” is a name and “willy” is an adjective - they look or sound alike but fill different roles in a sentence.

#42,994
“Willi” frequency rank
#12,890
“willy” frequency rank
55884
confusion score

Side-by-Side Comparison

Feature Willi willy
Definition A surname from German. Willing; favourable; ready; eager.

Letter map: Willi vs willy

Shared letters muted; letters that set Willi and willy apart highlighted. Shared run: 4.

5 ch
Willi
5 ch
willy

Part-of-speech tell for Willi / willy

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Willi is aname and willyanadjective. On the page they differ by a single letter - i in “Willi” becomes y in “willy”. Our composite confusion score for this pair is 55884, derived from the frequency rank of both members and their visual similarity.

Willi is recorded at frequency rank #42,994, classified as aname. willy is at rank #12,890, tagged as anadj, pronounced /ˈwɪli/.

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 55884, this pair ranks #130,224 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of Willi vs willy

Shared letters: ilw. Private to "Willi": -. Private to "willy": y.

"Willi" · 5 letters · shape CVCCV  ·  "willy" · 5 letters · shape CVCCV

Known mistypes of this pair

  • Williiwlli · wili · wilil · wlili · wwilli
  • willyiwlly · willyy · wilyl · wlily · wwilly

Frequently Asked Questions

Do "Willi" and "willy" mean the same thing in a sentence?
No - they are not even the same part of speech. "Willi" is a name and "willy" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Willi" vs "willy" - which ranks higher?
"willy" is the more common of the two: it sits at frequency rank #12,890 in our English list, against #42,994 for "Willi". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Done with this confusable. These links stay specific to "Willi" and "willy".

  • Full dictionary entry for "Willi" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "willy" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #130,224 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Willi" and "willy" 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 #130,224 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