invulnerability

noun

"invulnerability" is a 15-letter English headword indexed on PlainSpell.

The verdict

“invulnerability” is uncommon English (frequency #72,431 among 2,140 “I” headwords), classed as a noun. The kind of spelling people second-guess.

#72,431
frequency rank, English
2,140
“I” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The state of being invulnerable.

Corpus desk

Index EN-invulnerability · invulnerability · English

invulnerability · rank #72,431 · 0 variants · 0 confusables

  • FREQ-RARE #72,431
  • LEN-MEGA 15 letters
  • VOW-7 7 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,140
  • PHOTO-FINISH invincibles

Nearest frequency peer: invincibles (-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 “invulnerability”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for invulnerability
PropertyValue
Headwordinvulnerability
LanguageEnglish
Part of speechNoun
Letters15
Frequency rank#72,431
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “invulnerability” in English

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).invulnerabilityfalls in this rarity band:

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

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “invincibles” (#72,430), “invalidation” (#72,429), “Ipoh” (#72,433). Among 2,140 “I” headwords, “invulnerability” is #72,431. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

invulnerability is uncommon English at frequency #72,431 among 2,140 “I” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The state of being invulnerable.".

invulnerability doesn't appear in our generated misspelling index, since its letter sequence doesn't invite the usual edit-distance slips. Our confusable-pair dataset has no match for it, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From French invulnérabilité. The correct English form is invulnerability, spelled I-N-V-U-L-N-E-R-A-B-I-L-I-T-Y.

Definition

  1. 1
    The state of being invulnerable.

Etymology

From French invulnérabilité.

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 "invulnerability"?
"invulnerability" is spelled I-N-V-U-L-N-E-R-A-B-I-L-I-T-Y.
What does "invulnerability" mean?
As a noun, "invulnerability" means: The state of being invulnerable.
What is the origin of the word "invulnerability"?
From French invulnérabilité. 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 "invulnerability", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 15 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list