scepticismvsskepticismConfusable pair

Which to use

“scepticism” and “skepticism” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#31,334
“scepticism” frequency rank
#17,244
“skepticism” frequency rank
48578
confusion score

Side-by-Side Comparison

Feature scepticism skepticism
Definition Alternative spelling of skepticism. The practice or philosophy of being a skeptic.

Letter map: scepticism vs skepticism

Shared letters muted; letters that set scepticism and skepticism apart highlighted. Shared run: 9. scepticism and skepticism follow the identical consonant-vowel pattern (CCVCCVCVCC). Same shape at a glance is often the real trap, independent of shared letters.

10 ch
scepticism
10 ch
skepticism

Spelling & dictionary notes on scepticism vs skepticism

scepticism and skepticism are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by a single letter - c in “scepticism” becomes k in “skepticism”. Our composite confusion score for this pair is 48578, derived from the frequency rank of both members and their visual similarity.

scepticism is recorded at frequency rank #31,334, classified as anoun. skepticism is at rank #17,244, tagged as anoun, pronounced /ˈskɛp.tɪˌsɪ.zəm/.

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 48578, this pair ranks #191,714 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of scepticism vs skepticism

Shared letters: ceimpst. Private to "scepticism": -. Private to "skepticism": k.

"scepticism" · 10 letters · shape CCVCCVCVCC  ·  "skepticism" · 10 letters · shape CCVCCVCVCC

Known mistypes of this pair

  • scepticism ← csepticism · sccepticism · scepitcism · sceppticism · sceptciism · scepticcism · scepticims · scepticismm
  • skepticism ← ksepticism · sekpticism · skepitcism · skeppticism · skeptciism · skepticcism · skepticims · skepticismm

Frequently Asked Questions

Is swapping "scepticism" for "skepticism" ever safe?
No. They differ by a single letter - c in “scepticism” becomes k in “skepticism”, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Which is more common, "scepticism" or "skepticism"?
"skepticism" is the more common of the two: it sits at frequency rank #17,244 in our English list, against #31,334 for "scepticism". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "scepticism" and "skepticism". Here's where to go from here.

  • Full dictionary entry for "scepticism" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "skepticism" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #191,714 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • 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 #191,714 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