tuna

/ˈtjuː.nə/

//ˈtjuː.nə// noun

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

The verdict

“tuna” is a moderately-common English word, ranked #12,345 in English word frequency and used as a noun.

#12,345
frequency rank, English
4
letters
4
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Any of several species of fish of the genus Thunnus in the family Scombridae.

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

tuna vs tut
50% similar
tuna vs tux
50% similar
tuna vs TWA
0% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for tuna
PropertyValue
Headwordtuna
LanguageEnglish
Part of speechNoun
IPA/ˈtjuː.nə/
Letters4
Frequency rank#12,345
Misspellings tracked4
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “tuna” 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). tuna lands here:

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

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

Spelling & Dictionary Insight

The English entry for tuna is 4 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈtjuː.nə/. Corpus data places it at rank #12,345 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 4 likely wrong-spelling variants for tuna, with forms such as "tnua", "ttuna", and "tunna". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 20 confusable-pair relationships, "tut", "tux", "TWA", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: Etymology tree Arabic اَلْ (al-) Phoenicianbor. Ancient Greek θῠ́ννος (thŭ́nnos)bor. Latin thunnusbor. Arabic تُنّ (tunn) Arabic اَلتُّنّ (at-tunn) Andalusian Arabic [Term?]bor. Old Spanish atun Spanish atúnder. United States Spanish tunabor. English tuna B… The correct English form is tuna, spelled T-U-N-A.

Definition

  1. 1
    Any of several species of fish of the genus Thunnus in the family Scombridae.
  2. 2
    The edible flesh of the tuna.

Etymology

Etymology tree Arabic اَلْ (al-) Phoenicianbor. Ancient Greek θῠ́ννος (thŭ́nnos)bor. Latin thunnusbor. Arabic تُنّ (tunn) Arabic اَلتُّنّ (at-tunn) Andalusian Arabic [Term?]bor. Old Spanish atun Spanish atúnder. United States Spanish tunabor. English tuna Borrowed from United States Spanish tuna, alteration of Spanish atún, from Arabic اَلتُّنّ (at-tunn, “tuna”), from Latin thunnus, itself from Ancient Greek θύννος (thúnnos). Possibly in the sense of "darter" from thynein "to dart along". Doublet of tonno.

Synonyms

tuna fishtunny

This word in other languages

Common misspellings

Also misspelled as: tnua,ttuna,tunna,utna

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of tuna - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

tnua2ttuna1tunna1utna2
Edit distance from "tuna"

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 "tuna"?
"tuna" is spelled T-U-N-A. The IPA pronunciation is /ˈtjuː.nə/.
What does "tuna" mean?
As a noun, "tuna" means: Any of several species of fish of the genus Thunnus in the family Scombridae.
What words are commonly confused with "tuna"?
"tuna" is commonly confused with "tut", "tux", "TWA". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "tuna"?
The IPA (International Phonetic Alphabet) transcription for "tuna" is /ˈtjuː.nə/. 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 "tuna"?
Etymology tree Arabic اَلْ (al-) Phoenicianbor. Ancient Greek θῠ́ννος (thŭ́nnos)bor. Latin thunnusbor. Arabic تُنّ (tunn) Arabic اَلتُّنّ (at-tunn) Andalusian Arabic [Term?]bor. Old Spanish atun Spanish atúnder. United States Spanish tunabor. Engl... 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 “tuna”

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

  • The one correct English spelling is T-U-N-A - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈtjuː.nə/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “tut” - see the side-by-side comparison. tuna vs tut
  • 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.

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

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