tíavstoWhat's the difference?

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

Which to use

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

#3,660
“tía” frequency rank
#1,128
“to” frequency rank
4788
confusion score

Side-by-Side Comparison

Feature tía to
Definition Hermana de la madre o del padre de una persona. Dos.

Where the eye mixes tía and to

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
tía
2 ch
to

Visual trap between tía and to

These two trip readers on the page rather than in the ear: tía is [ˈt̪ia] while to is [toːˀ]. 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 (noun vs num), which is usually the fastest check. Our composite confusion score for this pair is 4788, derived from the frequency rank of both members and their visual similarity.

tía is recorded at frequency rank #3,660, classified as anoun, pronounced [ˈt̪ia]. to is at rank #1,128, tagged as anum, pronounced [toːˀ].

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 4788, this pair ranks #315,253 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of tía vs to

Shared letters: t. Private to "tía": . Private to "to": o.

"tía" · 3 letters · shape CVV  ·  "to" · 2 letters · shape CV

Frequently Asked Questions

Can "tía" and "to" be used interchangeably?
No - they are not even the same part of speech. "tía" is a noun and "to" a num, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "tía" or "to"?
"to" is the more common of the two: it sits at frequency rank #1,128 in our Spanish list, against #3,660 for "tía". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "tía" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "to" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #315,253 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "tía" and "to" also get mixed up with nearby pairs, the highest-scored neighbour is "tía vs till". Nearby pair

Confusion rank #315,253 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