casuarina

/ˌkæsu.əˈɹiːnə/

//ˌkæsu.əˈɹiːnə// noun

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

"casuarina" is a 9-letter English headword indexed on PlainSpell.

The verdict

“casuarina” is uncommon English (frequency #99,079 among 5,599 “C” headwords), classed as a noun. The kind of spelling people second-guess.

#99,079
frequency rank, English
5,599
“C” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Any of numerous trees, of the genera Casuarina and Allocasuarina, having segmented needle-like leaves; especially the ironwood and beefwood; she-oak.

Corpus desk

Index EN-casuarina · casuarina · English

casuarina · rank #99,079 · 0 variants · 0 confusables

  • FREQ-RARE #99,079
  • LEN-LONG 9 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 5,599
  • PHOTO-FINISH Carpentaria

Nearest frequency peer: Carpentaria (-3 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 “casuarina”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for casuarina
PropertyValue
Headwordcasuarina
LanguageEnglish
Part of speechNoun
IPA/ˌkæsu.əˈɹiːnə/
Letters9
Frequency rank#99,079
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “casuarina” in English

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).casuarinafalls in this rarity band:

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “Carpentaria” (#99,076), “cathedra” (#99,082), “capuchins” (#99,074). Among 5,599 “C” headwords, “casuarina” is #99,079. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

casuarina is uncommon English at frequency #99,079 among 5,599 “C” headwords, classed as anoun, transcribed /ˌkæsu.əˈɹiːnə/. Rarity is why readers land here mid-draft. Gloss: "Any of numerous trees, of the genera Casuarina and Allocasuarina, having segmented needle-like leaves; especially the ironwood and beefwood; she-oak.".

Our edit-distance generator produced no likely misspellings for casuarina, typically a sign the spelling maps closely to how the word sounds. This entry stands alone in our confusable dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From the genus name, ultimately a derivative of Malay kasuari (“cassowary”), from the resemblance of the leaves to the bird's feathers. The correct English form is casuarina, spelled C-A-S-U-A-R-I-N-A.

Definition

  1. 1
    Any of numerous trees, of the genera Casuarina and Allocasuarina, having segmented needle-like leaves; especially the ironwood and beefwood; she-oak.

Recorded use

Wiktionary examples

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

  1. 1894, Ivan Dexter, Talmud: A Strange Narrative of Central Australia, published in serial form in Port Adelaide News and Lefevre's Peninsula Advertiser (SA), Chapter III, http://gutenberg.net.au/ebooks16/1600641.txt […] the noise made by the beating of the waves on the land and the sighing of the wind amongst the pendulous leaves—or rather pendant fringe o…
  2. Lower down, in a little reach of the lagoon there grew a clump of casuarinas, those timid isolates that withdraw from other trees, selecting their own privacy, which is for ever whispering secrets up in their feathery fronds, set in motion by the slightest breeze.

Etymology

From the genus name, ultimately a derivative of Malay kasuari (“cassowary”), from the resemblance of the leaves to the bird's feathers.

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 "casuarina"?
"casuarina" is spelled C-A-S-U-A-R-I-N-A. The IPA pronunciation is /ˌkæsu.əˈɹiːnə/.
What does "casuarina" mean?
As a noun, "casuarina" means: Any of numerous trees, of the genera Casuarina and Allocasuarina, having segmented needle-like leaves; especially the ironwood and beefwood; she-oak.
How do you pronounce "casuarina"?
The IPA (International Phonetic Alphabet) transcription for "casuarina" is /ˌkæsu.əˈɹiːnə/. 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 "casuarina"?
From the genus name, ultimately a derivative of Malay kasuari (“cassowary”), from the resemblance of the leaves to the bird's feathers. 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 "casuarina", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency rank).

capuchins#99,074Burundian#99,065chinstrap#99,099Brigadoon#99,057

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

Source: FrequencyWords open word-frequency list