tíosvstosWhat's the difference?

Which to use

“tíos” and “tos” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#9,742
“tíos” frequency rank
#9,550
“tos” frequency rank
19292
confusion score

Side-by-Side Comparison

Feature tíos tos
Definition Forma del plural de tío. Contracción espasmódica repentina y a veces repetitiva de la cavidad torácica que resulta en una liberación violenta del aire de los pulmones produciendo un sonido característico.

Where the eye mixes tíos and tos

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. tíos runs 4 letters (CVVC) against tos's 3 (CVC) - the length gap alone is often enough to separate them once you know to check it.

4 ch
tíos
3 ch
tos

Why the eye confuses tíos with tos

A purely visual mix-up. tíos ([ˈt̪ios]) and tos ([ˈt̪os]) 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 19292, derived from the frequency rank of both members and their visual similarity.

tíos is recorded at frequency rank #9,742, classified as anoun, pronounced [ˈt̪ios]. tos is at rank #9,550, tagged as anoun, pronounced [ˈt̪os].

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 19292, this pair ranks #264,378 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of tíos vs tos

Shared letters: ost. Private to "tíos": í. Private to "tos": -.

"tíos" · 4 letters · shape CVVC  ·  "tos" · 3 letters · shape CVC

Frequently Asked Questions

Can "tíos" and "tos" be used interchangeably?
No. They are said differently ([ˈt̪ios] versus [ˈt̪os]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "tíos" or "tos"?
"tos" is the more common of the two: it sits at frequency rank #9,550 in our Spanish list, against #9,742 for "tíos". 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 "tíos" and "tos" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "tíos" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #264,378 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "tíos" and "tos" also get mixed up with nearby pairs, the highest-scored neighbour is "tíos vs toys". Nearby pair

Confusion rank #264,378 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