crustacean

/kɹʌsˈteɪʃən/

//kɹʌsˈteɪʃən// noun

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

"crustacean" is a 10-letter English headword indexed on PlainSpell.

The verdict

“crustacean” has 15 generated spelling variants in the English index at frequency #49,270. The variants make it a useful spelling check.

#49,270
frequency rank, English
5,599
“C” headwords
15
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Any arthropod of the subphylum Crustacea, including lobsters, crabs, shrimp, barnacles and woodlice, traditionally excluding hexapods.

Corpus desk

Index EN-crustacean · crustacean · English

crustacean · rank #49,270 · 15 variants · 0 confusables

  • FREQ-MID #49,270
  • LEN-MEGA 10 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 15 variants
  • BOOK-DENSE 5,599
  • PHOTO-FINISH Crabb

Nearest frequency peer: Crabb (-2 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 “crustacean”

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

corpus weight

What this shows “crustacean” 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 crustacean
PropertyValue
Headwordcrustacean
LanguageEnglish
Part of speechNoun
IPA/kɹʌsˈteɪʃən/
Letters10
Frequency rank#49,270
Misspellings tracked15
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “crustacean”

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).crustaceanlands here:

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “Crabb” (#49,268), “cuny” (#49,272), “Cowper” (#49,267). Among 5,599 “C” headwords, “crustacean” is #49,270. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 15 spelling variants around crustacean (IPA /kɹʌsˈteɪʃən/), anoun. Corpus frequency is #49,270 among 5,599 “C” headwords. Dominant gloss: "Any arthropod of the subphylum Crustacea, including lobsters, crabs, shrimp, barnacles and woodlice, traditionally excluding hexapods.".

Our generated misspelling index lists 15 likely wrong-spelling variants for crustacean, with forms such as "ccrustacean", "crrustacean", and "crsutacean". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. No close-neighbour confusable shows up for this headword in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From taxonomic name Crustacea + -an. The correct English form is crustacean, spelled C-R-U-S-T-A-C-E-A-N.

Definition

  1. 1
    Any arthropod of the subphylum Crustacea, including lobsters, crabs, shrimp, barnacles and woodlice, traditionally excluding hexapods.

Etymology

From taxonomic name Crustacea + -an.

Synonyms

crustacean

This word in other languages

crustáceo(Español)crustacé(Français)Krustentier(Deutsch)crustáceo(Português)

Common misspellings

Also misspelled as:

  • ccrustacean
  • crrustacean
  • crsutacean
  • crusatcean
  • crusstacean
  • crustacaen
  • crustaccean
  • crustaceann
  • crustacena
  • crustaecan
  • crustcaean
  • crusttacean
  • crutsacean
  • curstacean
  • rcustacean

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of crustacean - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

ccrustacean1crrustacean1crsutacean2crusatcean2crusstacean1crustacaen2crustaccean1crustaceann1
Edit distance from "crustacean"

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 "crustacean"?
"crustacean" is spelled C-R-U-S-T-A-C-E-A-N. The IPA pronunciation is /kɹʌsˈteɪʃən/.
What does "crustacean" mean?
As a noun, "crustacean" means: Any arthropod of the subphylum Crustacea, including lobsters, crabs, shrimp, barnacles and woodlice, traditionally excluding hexapods.
What are common misspellings of "crustacean"?
Common misspellings include "ccrustacean", "crrustacean", "crsutacean", "crusatcean", "crusstacean". The correct spelling is "crustacean".
How do you pronounce "crustacean"?
The IPA (International Phonetic Alphabet) transcription for "crustacean" is /kɹʌsˈteɪʃən/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "crustacean"?
From taxonomic name Crustacea + -an. 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 "crustacean", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 10 letters (nearest by frequency rank).

covariance#49,266cornucopia#49,263debriefing#49,282Chittagong#49,252

Similar misspelling depth

Headwords with a similar count of attested misspellings (15 here; floor ≥5).

geographer15 variantsaftershave15 variantsGrenadines15 variantsGwendolyn15 variants

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

Source: FrequencyWords open word-frequency list