willingvswillinglyWhat's the difference?

Quick tell: willing is a adjective, willingly is an adverb, so they fill different roles in a sentence.

Which to use

“willing” is an adjective and “willingly” is an adverb - they look or sound alike but fill different roles in a sentence.

#1,976
“willing” frequency rank
#13,446
“willingly” frequency rank
15422
confusion score

Side-by-Side Comparison

Feature willing willingly
Definition Ready to do something, particularly something that requires change or effort; not objecting. Of one’s own free will; freely and spontaneously.

Where the eye mixes willing and willingly

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence.

7 ch
willing
9 ch
willingly

Look-alike desk: willing vs willingly

These two trip readers on the page rather than in the ear: willing is /ˈwɪlɪŋ/ while willingly is /ˈwɪlɪŋli/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “willing” sits inside “willingly”, and the parts of speech differ too (adjective vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 15422, derived from the frequency rank of both members and their visual similarity.

willing is recorded at frequency rank #1,976, classified as anadj, pronounced /ˈwɪlɪŋ/. willingly is at rank #13,446, tagged as anadv, pronounced /ˈwɪlɪŋli/.

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 15422, this pair ranks #464,066 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of willing vs willingly

Shared letters: gilnw. Private to "willing": -. Private to "willingly": y.

"willing" · 7 letters · shape CVCCVCC  ·  "willingly" · 9 letters · shape CVCCVCCCV

Known mistypes of this pair

  • willingiwlling · wililng · wiling · willign · willingg · willinng · willnig · wliling
  • willinglyiwllingly · wililngly · wilingly · willignly · willinggly · willinglly · willinglyy · willingyl

Frequently Asked Questions

Is swapping "willing" for "willingly" ever safe?
No - they are not even the same part of speech. "willing" is an adjective and "willingly" an adverb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "willing" vs "willingly" - which ranks higher?
"willing" is the more common of the two: it sits at frequency rank #1,976 in our English list, against #13,446 for "willingly". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "willing" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "willingly" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #464,066 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "willing" and "willingly" also get mixed up with nearby pairs, the highest-scored neighbour is "willing vs winging". 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 #464,066 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