cannula

/ˈkænjʊlə/

//ˈkænjʊlə// noun

"cannula" is a 7-letter English headword indexed on PlainSpell.

The verdict

“cannula” is uncommon English (frequency #55,990 among 43,570 “C” headwords), classed as a noun. The kind of spelling people second-guess.

#55,990
frequency rank, English
43,570
“C” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A tube inserted into the body to drain or inject fluid.

Key facts for cannula
PropertyValue
Headwordcannula
LanguageEnglish
Part of speechNoun
IPA/ˈkænjʊlə/
Letters7
Frequency rank#55,990
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “cannula” sits in English frequency

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

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

cannula is uncommon English at frequency #55,990 among 43,570 “C” headwords, classed as anoun, transcribed /ˈkænjʊlə/. Rarity is why readers land here mid-draft. 2 senses are on record.

No generated misspelling entries exist for cannula in our index, since its letter sequence doesn't invite the usual edit-distance slips. This headword has no recorded confusable partner, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: Borrowed from Late Latin cannula, canula (“tubular surgical instrument”), from Latin cannula (“reed; small reed- or tube-shaped object”), from canna (“cane; reed; object made from or shaped like a cane or reed”) + -ula (feminine form of -ulus (diminutive su… The correct English form is cannula, spelled C-A-N-N-U-L-A.

Definition

  1. 1
    A tube inserted into the body to drain or inject fluid.
  2. 2
    A hose or tube that connects directly from an oxygen bottle or other source to the user's nose, commonly used by aircraft pilots or others needing direct oxygen breathing apparatus.

Etymology

Borrowed from Late Latin cannula, canula (“tubular surgical instrument”), from Latin cannula (“reed; small reed- or tube-shaped object”), from canna (“cane; reed; object made from or shaped like a cane or reed”) + -ula (feminine form of -ulus (diminutive suffix). Canna is derived from Ancient Greek κᾰ́ννᾱ (kắnnā, “reed”), from Akkadian 𒂵𒉡𒌑𒌝 (qanûm, “cane; reed”). The plural form cannulae is borrowed from Late Latin cannulae.

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 "cannula"?
"cannula" is spelled C-A-N-N-U-L-A. The IPA pronunciation is /ˈkænjʊlə/.
What does "cannula" mean?
As a noun, "cannula" means: A tube inserted into the body to drain or inject fluid.
How do you pronounce "cannula"?
The IPA (International Phonetic Alphabet) transcription for "cannula" is /ˈkænjʊlə/. 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 "cannula"?
Borrowed from Late Latin cannula, canula (“tubular surgical instrument”), from Latin cannula (“reed; small reed- or tube-shaped object”), from canna (“cane; reed; object made from or shaped like a cane or reed”) + -ula (feminine form of -ulus (dim... 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.

Using “cannula”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is C-A-N-N-U-L-A - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈkænjʊlə/ (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

Other uncommon English words near this rank

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.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list