tuavstunaTell them apart

Quick tell: tua is a adjective, tuna is a noun, so they fill different roles in a sentence.

Which to use

“tua” is an adjective and “tuna” is a noun - they look or sound alike but fill different roles in a sentence.

#662
“tua” frequency rank
#45,633
“tuna” frequency rank
46295
confusion score

Side-by-Side Comparison

Feature tua tuna
Definition que tem você como objeto água, substância líquida (H₂O)

Letter map: tua vs tuna

Shared letters muted; letters that set tua and tuna apart highlighted. Shared run: 3.

3 ch
tua
4 ch
tuna

Part-of-speech tell for tua / tuna

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: tua is anadjective and tunaanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 46295, derived from the frequency rank of both members and their visual similarity.

tua is recorded at frequency rank #662, classified as anadj. tuna is at rank #45,633, tagged as anoun, pronounced /tu.na/ [tu.na].

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 46295, this pair ranks #19,045 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of tua vs tuna

Shared letters: atu. Private to "tua": -. Private to "tuna": n.

"tua" · 3 letters · shape CVV  ·  "tuna" · 4 letters · shape CVCV

Known mistypes of this pair

  • tunatnua · ttuna · tuan · tunna · utna

Frequently Asked Questions

Do "tua" and "tuna" mean the same thing in a sentence?
No - they are not even the same part of speech. "tua" is an adjective and "tuna" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "tua" or "tuna" show up more?
"tua" is the more common of the two: it sits at frequency rank #662 in our Portuguese list, against #45,633 for "tuna". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Pair "tua" vs "tuna" is on the table, pick a follow-up below.

  • Full dictionary entry for "tua" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tuna" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #19,045 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "tua" and "tuna" also get mixed up with nearby pairs, the highest-scored neighbour is "tufo vs tuna". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #19,045 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list