tadvstuiWhat's the difference?

Quick tell: tad is a noun, tui is a pronoun, so they fill different roles in a sentence.

Which to use

“tad” is a noun and “tui” is a pronoun - they look or sound alike but fill different roles in a sentence.

#46,240
“tad” frequency rank
#42,740
“tui” frequency rank
88980
confusion score

Side-by-Side Comparison

Feature tad tui
Definition Padre. Genitivo de la segunda persona singular.

Where the eye mixes tad and tui

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. tad (CVC) and tui (CVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
tad
3 ch
tui

Why the eye confuses tad with tui

These two trip readers on the page rather than in the ear: tad is /ˈtɑːt/ while tui is /ˈtu.iː/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs pronoun), which is usually the fastest check. Our composite confusion score for this pair is 88980, derived from the frequency rank of both members and their visual similarity.

tad is recorded at frequency rank #46,240, classified as anoun, pronounced /ˈtɑːt/. tui is at rank #42,740, tagged as apron, pronounced /ˈtu.iː/.

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 88980, this pair ranks #3,406 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of tad vs tui

Shared letters: t. Private to "tad": ad. Private to "tui": iu.

"tad" · 3 letters · shape CVC  ·  "tui" · 3 letters · shape CVV

Frequently Asked Questions

Do "tad" and "tui" mean the same thing in a sentence?
No - they are not even the same part of speech. "tad" is a noun and "tui" a pronoun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "tad" or "tui" show up more?
"tui" is the more common of the two: it sits at frequency rank #42,740 in our Spanish list, against #46,240 for "tad". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "tad" and "tui" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "tad" 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 #3,406 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "tad" and "tui" also get mixed up with nearby pairs, the highest-scored neighbour is "tad vs task". Nearby pair

Confusion rank #3,406 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list