skillvsskullWhich spelling fits?

Quick tell: skill is a verb, skull is a noun, so they fill different roles in a sentence.

Which to use

“skill” is a verb and “skull” is a noun - they look or sound alike but fill different roles in a sentence.

#39,041
“skill” frequency rank
#49,364
“skull” frequency rank
88405
confusion score

Side-by-Side Comparison

Feature skill skull
Definition Séparer, diviser. Crâne.

Where the eye mixes skill and skull

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

5 ch
skill
5 ch
skull

Why the eye confuses skill with skull

These two trip readers on the page rather than in the ear: skill is \ˈskɪl\ while skull is \ˈskəl\. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - i in “skill” becomes u in “skull”, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 88405, derived from the frequency rank of both members and their visual similarity.

skill is recorded at frequency rank #39,041, classified as averb, pronounced \ˈskɪl\. skull is at rank #49,364, tagged as anoun, pronounced \ˈskəl\.

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 88405, this pair ranks #7,039 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of skill vs skull

Shared letters: kls. Private to "skill": i. Private to "skull": u.

"skill" · 5 letters · shape CCVCC  ·  "skull" · 5 letters · shape CCVCC

Known mistypes of this pair

  • skillksill · sikll · skil · skkill · sklil · sskill
  • skullksull · skkull · sklul · skul · sskull · sukll

Frequently Asked Questions

Is swapping "skill" for "skull" ever safe?
No - they are not even the same part of speech. "skill" is a verb and "skull" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "skill" or "skull" show up more?
"skill" is the more common of the two: it sits at frequency rank #39,041 in our French list, against #49,364 for "skull". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "skill" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "skull" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #7,039 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "skill" and "skull" also get mixed up with nearby pairs, the highest-scored neighbour is "skull vs Soult". 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 #7,039 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list