til vs tui, What's the Difference?

Which to use

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

#28,972
“til” frequency rank: #42,740
“tui” frequency rank: 71712
confusion score

Side-by-Side Comparison

Feature	til	tui
Definition	Hasta.	Genitivo de la segunda persona singular.

Where the spellings diverge

Shared letters are muted; the letters that actually set til and tui apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

3 ch

til

3 ch

tui

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: til is /tɪl/ 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 (preposition vs pronoun), which is usually the fastest check. Our composite confusion score for this pair is 71712, derived from the frequency rank of both members and their visual similarity.

til is recorded at frequency rank #28,972, classified as aprep, pronounced /tɪl/. 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 71712, this pair ranks #26,919 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of til vs tui

Shared letters: it. Private to "til": l. Private to "tui": u.

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

Frequency comparison

til#28,972

tui#42,740

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "til" and "tui" be used interchangeably?

No - they are not even the same part of speech. "til" is a preposition and "tui" a pronoun, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "til" or "tui"?

"til" is the more common of the two: it sits at frequency rank #28,972 in our Spanish list, against #42,740 for "tui". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering til vs tui

The fastest way to pick the right one every time.

Check the role first: if you need a preposition, it's “til”; for a pronoun, it's “tui”.
See each word in full, definition, IPA, etymology and its other confusables. Full “til” entry
Browse more pairs most likely to be confused. Most confusable