crustacean
/kɹʌsˈteɪʃən/
"crustacean" is a 10-letter English headword indexed on PlainSpell.
The verdict
“crustacean” is a moderately-common English word, ranked #49,270 in English word frequency and used as a noun.
- #49,270
- frequency rank, English
- 10
- letters
- 15
- tracked misspellings
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Any arthropod of the subphylum Crustacea, including lobsters, crabs, shrimp, barnacles and woodlice, traditionally excluding hexapods.
| Property | Value |
|---|---|
| Headword | crustacean |
| Language | English |
| Part of speech | Noun |
| IPA | /kɹʌsˈteɪʃən/ |
| Letters | 10 |
| Frequency rank | #49,270 |
| Misspellings tracked | 15 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “crustacean” sits in English frequency
Spelling & Dictionary Insight
The English entry for crustacean is 10 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /kɹʌsˈteɪʃən/. Corpus data places it at rank #49,270 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "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
- 1Any arthropod of the subphylum Crustacea, including lobsters, crabs, shrimp, barnacles and woodlice, traditionally excluding hexapods.
Etymology
From taxonomic name Crustacea + -an.
Synonyms
This word in other languages
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.
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"?
What does "crustacean" mean?
What are common misspellings of "crustacean"?
How do you pronounce "crustacean"?
What is the origin of the word "crustacean"?
Is PlainSpell free to use?
Using “crustacean”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is C-R-U-S-T-A-C-E-A-N - every other letter order is a misspelling in standard orthography.
- Say it as /kɹʌsˈteɪʃən/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more English words and confusable pairs in the same reference. English words
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.