WillivswilyWhich spelling fits?

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

Which to use

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

#42,994
“Willi” frequency rank
#37,287
“wily” frequency rank
80281
confusion score

Side-by-Side Comparison

Feature Willi wily
Definition A surname from German. Sly, cunning, full of tricks.

Letter map: Willi vs wily

Shared letters muted; letters that set Willi and wily apart highlighted. Shared run: 3. Willi runs 5 letters (CVCCV) against wily's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
Willi
4 ch
wily

Grammar separator: Willi vs wily

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Willi is aname and wilyanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 80281, derived from the frequency rank of both members and their visual similarity.

Willi is recorded at frequency rank #42,994, classified as aname. wily is at rank #37,287, tagged as anadj, pronounced /ˈwaɪ.li/.

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 80281, this pair ranks #20,136 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of Willi vs wily

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

"Willi" · 5 letters · shape CVCCV  ·  "wily" · 4 letters · shape CVCV

Known mistypes of this pair

  • Willi ← iwlli · wili · wilil · wlili · wwilli
  • wily ← iwly · wilyy · wiyl · wliy · wwily

Frequently Asked Questions

Do "Willi" and "wily" mean the same thing in a sentence?
No - they are not even the same part of speech. "Willi" is a name and "wily" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Willi" or "wily"?
"wily" is the more common of the two: it sits at frequency rank #37,287 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.

Useful next steps

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

  • Full dictionary entry for "Willi" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "wily" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #20,136 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Willi" and "wily" 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 #20,136 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