exoskeleton

noun

By · According to Wiktionary data (CC BY-SA) ·

"exoskeleton" is a 11-letter English headword indexed on PlainSpell.

The verdict

“exoskeleton” has 16 generated spelling variants in the English index at frequency #44,767. The variants make it a useful spelling check.

#44,767
frequency rank, English
2,246
“E” headwords
16
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A hard outer structure that provides both structure and protection to creatures such as insects and Crustacea.

Corpus desk

Index EN-exoskeleton · exoskeleton · English

exoskeleton · rank #44,767 · 16 variants · 0 confusables

  • FREQ-MID #44,767
  • LEN-MEGA 11 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 16 variants
  • BOOK-MID 2,246
  • PHOTO-FINISH expropriation

Nearest frequency peer: expropriation (+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.

Rank peers near misspelling magnet “exoskeleton”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “exoskeleton” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for exoskeleton
PropertyValue
Headwordexoskeleton
LanguageEnglish
Part of speechNoun
Letters11
Frequency rank#44,767
Misspellings tracked16
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “exoskeleton”

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).exoskeletonlands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “expropriation” (#44,768), “exasperation” (#44,765), “Euripides” (#44,764). Among 2,246 “E” headwords, “exoskeleton” is #44,767. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 16 spelling variants around exoskeleton, anoun. Corpus frequency is #44,767 among 2,246 “E” headwords. Wiktionary lists 2 senses, so context still picks the gloss.

Our generated misspelling index lists 16 likely wrong-spelling variants for exoskeleton, with forms such as "eoxskeleton", "exokseleton", and "exosekleton". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. Our dataset records no confusable match here, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From exo- + skeleton. The correct English form is exoskeleton, spelled E-X-O-S-K-E-L-E-T-O-N.

Definition

  1. 1
    A hard outer structure that provides both structure and protection to creatures such as insects and Crustacea.
  2. 2
    A wearable robotic machine used for aided or augmented mobility.

Recorded use

Wiktionary examples

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

  1. This is the case not only with all forms provided with exoskeleta and endoskeleta, into the composition of which lime largely enters, but also with those which exercise the precipitating effect on the calcium salts they absorb from sea water, the precipitation rarely going so far as to form a distinct deposit in the cells or tissues of the organism.
  2. Ordinarily, allergy to animals is due to either their fine dander which becomes aerosolized or to the exoskeleta, pupae, or feces of their ectoparasites.

Etymology

From exo- + skeleton.

Antonyms

endoskeleton

This word in other languages

exoesqueleto(Español)exosquelette(Français)Exoskelett(Deutsch)

Common misspellings

Also misspelled as:

  • eoxskeleton
  • exokseleton
  • exosekleton
  • exoskeelton
  • exoskeleotn
  • exoskeletno
  • exoskeletonn
  • exoskeletton
  • exoskelleton
  • exoskelteon
  • exoskkeleton
  • exoskleeton
  • exosskeleton
  • exsokeleton
  • exxoskeleton
  • xeoskeleton

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of exoskeleton - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

eoxskeleton2exokseleton2exosekleton2exoskeelton2exoskeleotn2exoskeletno2exoskeletonn1exoskeletton1
Edit distance from "exoskeleton"

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 "exoskeleton"?
"exoskeleton" is spelled E-X-O-S-K-E-L-E-T-O-N.
What does "exoskeleton" mean?
As a noun, "exoskeleton" means: A hard outer structure that provides both structure and protection to creatures such as insects and Crustacea.
What are common misspellings of "exoskeleton"?
Common misspellings include "eoxskeleton", "exokseleton", "exosekleton", "exoskeelton", "exoskeleotn". The correct spelling is "exoskeleton".
What is the origin of the word "exoskeleton"?
From exo- + skeleton. 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 "exoskeleton", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 11 letters (nearest by frequency rank).

cosmetology#44,710hemorrhoids#44,836clairvoyant#44,691chronograph#44,689

Similar misspelling depth

Headwords with a similar count of attested misspellings (16 here; floor ≥5).

gastronomy16 variantscondensing16 variantsbackpacker16 variantsapologetics16 variants

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

Source: FrequencyWords open word-frequency list