ulna

/ˈʌlnə/

//ˈʌlnə// noun

"ulna" is a 4-letter English headword indexed on PlainSpell.

The verdict

“ulna” is uncommon English (frequency #63,331 among 23,789 “U” headwords), classed as a noun. The kind of spelling people second-guess.

#63,331
frequency rank, English
23,789
“U” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The bone of the forearm that extends from the elbow to the wrist on the side opposite to the thumb, corresponding to the fibula of the hind limb. Also, the corresponding bone in the forelimb of any...

Key facts for ulna
PropertyValue
Headwordulna
LanguageEnglish
Part of speechNoun
IPA/ˈʌlnə/
Letters4
Frequency rank#63,331
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “ulna” 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). ulna 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

ulna is uncommon English at frequency #63,331 among 23,789 “U” headwords, classed as anoun, transcribed /ˈʌlnə/. Rarity is why readers land here mid-draft. Gloss: "The bone of the forearm that extends from the elbow to the wrist on the side opposite to the thumb, corresponding to the fibula of the hind limb. Also, the corresponding bone in the forelimb of any...".

The misspelling generator found no plausible variants for ulna, which points to an orthography that plays by predictable English rules. It is not paired with a close-neighbour confusable in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From Latin ulna (“elbow”). Doublet of ell. The correct English form is ulna, spelled U-L-N-A.

Definition

  1. 1
    The bone of the forearm that extends from the elbow to the wrist on the side opposite to the thumb, corresponding to the fibula of the hind limb. Also, the corresponding bone in the forelimb of any vertebrate.

Etymology

From Latin ulna (“elbow”). Doublet of ell.

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 "ulna"?
"ulna" is spelled U-L-N-A. The IPA pronunciation is /ˈʌlnə/.
What does "ulna" mean?
As a noun, "ulna" means: The bone of the forearm that extends from the elbow to the wrist on the side opposite to the thumb, corresponding to the fibula of the hind limb. Also, the corresponding bone in the forelimb of any...
How do you pronounce "ulna"?
The IPA (International Phonetic Alphabet) transcription for "ulna" is /ˈʌlnə/. 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 "ulna"?
From Latin ulna (“elbow”). Doublet of ell. 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 “ulna”

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

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