thirdvstiroWhat's the difference?

Quick tell: third is a num, tiro is a noun, so they fill different roles in a sentence.

Which to use

“third” is a num and “tiro” is a noun - they look or sound alike but fill different roles in a sentence.

#18,206
“third” frequency rank
#1,480
“tiro” frequency rank
19686
confusion score

Side-by-Side Comparison

Feature third tiro
Definition terceiro ato de disparar uma arma de fogo

Where the eye mixes third and tiro

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
third
4 ch
tiro

Why the eye confuses third with tiro

These two trip readers on the page rather than in the ear: third is /θɝd/ while tiro is /ˈti.ɾu/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (num vs noun), which is usually the fastest check. Our composite confusion score for this pair is 19686, derived from the frequency rank of both members and their visual similarity.

third is recorded at frequency rank #18,206, classified as anum, pronounced /θɝd/. tiro is at rank #1,480, tagged as anoun, pronounced /ˈti.ɾu/.

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 19686, this pair ranks #51,003 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of third vs tiro

Shared letters: irt. Private to "third": dh. Private to "tiro": o.

"third" · 5 letters · shape CCVCC  ·  "tiro" · 4 letters · shape CVCV

Known mistypes of this pair

  • thirdhtird · thhird · thidr · thirdd · thirrd · thrid · tihrd · tthird
  • tiroitro · tior · tirro · trio · ttiro

Frequently Asked Questions

Do "third" and "tiro" mean the same thing in a sentence?
No - they are not even the same part of speech. "third" is a num and "tiro" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "third" vs "tiro" - which ranks higher?
"tiro" is the more common of the two: it sits at frequency rank #1,480 in our Portuguese list, against #18,206 for "third". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "third" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tiro" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #51,003 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "third" and "tiro" also get mixed up with nearby pairs, the highest-scored neighbour is "third vs thorn". 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 #51,003 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