trisvstuiConfusable pair

Which to use

“tris” and “tui” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#27,007
“tris” frequency rank
#38,658
“tui” frequency rank
65665
confusion score

Side-by-Side Comparison

Feature tris tui
Definition A flammable compound which forms a corrosive solution in water and is used as a buffer and emulsifying agent. A species of honeyeater, Prosthemadera novaeseelandiae, a bird which is endemic to New Zealand.

Where the eye mixes tris and tui

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
tris
3 ch
tui

Visual trap between tris and tui

A purely visual mix-up. tris (/tɹɪs/) and tui (/ˈtʉi/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 65665, derived from the frequency rank of both members and their visual similarity.

tris is recorded at frequency rank #27,007, classified as anoun, pronounced /tɹɪs/. tui is at rank #38,658, tagged as anoun, pronounced /ˈtʉi/.

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 65665, this pair ranks #71,653 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of tris vs tui

Shared letters: it. Private to "tris": rs. Private to "tui": u.

"tris" · 4 letters · shape CCVC  ·  "tui" · 3 letters · shape CVV

Known mistypes of this pair

  • trisrtis · tirs · triss · trris · trsi · ttris

Frequently Asked Questions

Do "tris" and "tui" mean the same thing in a sentence?
No. They are said differently (/tɹɪs/ versus /ˈtʉi/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "tris" or "tui" show up more?
"tris" is the more common of the two: it sits at frequency rank #27,007 in our English list, against #38,658 for "tui". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "tris" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tui" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #71,653 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "tris" and "tui" also get mixed up with nearby pairs, the highest-scored neighbour is "tuft vs tui". 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 #71,653 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list