tiesovstíosWhich spelling fits?

Quick tell: tieso is a adjective, tíos is a noun, so they fill different roles in a sentence.

Which to use

“tieso” is an adjective and “tíos” is a noun - they look or sound alike but fill different roles in a sentence.

#45,046
“tieso” frequency rank
#9,742
“tíos” frequency rank
54788
confusion score

Side-by-Side Comparison

Feature tieso tíos
Definition Rígido o duro. Forma del plural de tío.

Where the eye mixes tieso and tíos

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. tieso runs 5 letters (CVVCV) against tíos's 4 (CVVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
tieso
4 ch
tíos

Why the eye confuses tieso with tíos

These two trip readers on the page rather than in the ear: tieso is [ˈt̪jeso] while tíos is [ˈt̪ios]. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 54788, derived from the frequency rank of both members and their visual similarity.

tieso is recorded at frequency rank #45,046, classified as anadj, pronounced [ˈt̪jeso]. tíos is at rank #9,742, tagged as anoun, pronounced [ˈt̪ios].

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 54788, this pair ranks #81,801 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of tieso vs tíos

Shared letters: ost. Private to "tieso": ei. Private to "tíos": í.

"tieso" · 5 letters · shape CVVCV  ·  "tíos" · 4 letters · shape CVVC

Known mistypes of this pair

  • tieso ← iteso · teiso · tieos · tiesso · tiseo · ttieso

Frequently Asked Questions

Can "tieso" and "tíos" be used interchangeably?
No - they are not even the same part of speech. "tieso" is an adjective and "tíos" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "tieso" vs "tíos" - which ranks higher?
"tíos" is the more common of the two: it sits at frequency rank #9,742 in our Spanish list, against #45,046 for "tieso". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "tieso" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tíos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #81,801 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "tieso" and "tíos" also get mixed up with nearby pairs, the highest-scored neighbour is "tiento vs tieso". 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 #81,801 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