capsular

adj

"capsular" is a 8-letter English headword indexed on PlainSpell.

The verdict

“capsular” is uncommon English (frequency #88,177 among 5,599 “C” headwords), classed as an adjective. The kind of spelling people second-guess.

#88,177
frequency rank, English
5,599
“C” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Of, pertaining to, or resembling a capsule.

Corpus desk

Index EN-capsular · capsular · English

capsular · rank #88,177 · 0 variants · 0 confusables

  • FREQ-RARE #88,177
  • LEN-LONG 8 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 5,599
  • PHOTO-FINISH Caracalla

Nearest frequency peer: Caracalla (+1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Long-tail ranks near “capsular”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “capsular” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for capsular
PropertyValue
Headwordcapsular
LanguageEnglish
Part of speechAdjective
Letters8
Frequency rank#88,177
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “capsular” in English

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).capsularfalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Rare peers in the same band: “Caracalla” (#88,178), “cargos” (#88,179), “canted” (#88,174). Among 5,599 “C” headwords, “capsular” is #88,177. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

capsular is uncommon English at frequency #88,177 among 5,599 “C” headwords, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Of, pertaining to, or resembling a capsule.".

No misspelling variants are generated for capsular in our index, a straightforward case of a spelling with little room for common typos. It is not paired with a close-neighbour confusable in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From capsule + -ar. The correct English form is capsular, spelled C-A-P-S-U-L-A-R.

Definition

  1. 1
    Of, pertaining to, or resembling a capsule.

Recorded use

Wiktionary examples

These source excerpts show how capsular appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Four muscles are destined to move the os humeri, and to strengthen the capsular ligament.
  2. Researchers are pursuing vaccines made of capsular polysaccharide types 5 and 8, […]

Etymology

From capsule + -ar.

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "capsular"?
"capsular" is spelled C-A-P-S-U-L-A-R.
What does "capsular" mean?
As an adjective, "capsular" means: Of, pertaining to, or resembling a capsule.
What is the origin of the word "capsular"?
From capsule + -ar. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "capsular", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 8 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list