capablevscapsuleWhich spelling fits?

Quick tell: capable is a adjective, capsule is a noun, so they fill different roles in a sentence.

Which to use

“capable” is an adjective and “capsule” is a noun - they look or sound alike but fill different roles in a sentence.

#1,222
“capable” frequency rank
#11,008
“capsule” frequency rank
12230
confusion score

Side-by-Side Comparison

Feature capable capsule
Definition Qui est en état de faire une chose ; qui a la capacité. Fruit sec déhiscent, contenant de nombreuses graines, qui s'ouvre par plusieurs fentes, parfois par un couvercle ou par des pores.

Where the eye mixes capable and capsule

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

7 ch
capable
7 ch
capsule

Visual trap between capable and capsule

These two trip readers on the page rather than in the ear: capable is \ka.pabl\ while capsule is \kap.syl\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 12230, derived from the frequency rank of both members and their visual similarity.

capable is recorded at frequency rank #1,222, classified as anadj, pronounced \ka.pabl\. capsule is at rank #11,008, tagged as anoun, pronounced \kap.syl\.

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 12230, this pair ranks #406,085 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of capable vs capsule

Shared letters: acelp. Private to "capable": b. Private to "capsule": su.

"capable" · 7 letters · shape CVCVCCV  ·  "capsule" · 7 letters · shape CVCCVCV

Known mistypes of this pair

  • capableacpable · caapble · capabble · capabel · capablle · capalbe · capbale · cappable
  • capsuleacpsule · cappsule · capslue · capssule · capsuel · capsulle · capusle · caspule

Frequently Asked Questions

Is swapping "capable" for "capsule" ever safe?
No - they are not even the same part of speech. "capable" is an adjective and "capsule" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "capable" vs "capsule" - which ranks higher?
"capable" is the more common of the two: it sits at frequency rank #1,222 in our French list, against #11,008 for "capsule". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "capable" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "capsule" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #406,085 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "capable" and "capsule" also get mixed up with nearby pairs, the highest-scored neighbour is "capitule vs capsule". 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 #406,085 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