Which to use
“tos” is a noun and “tres” is an adjective - they look or sound alike but fill different roles in a sentence.
- #9,550
- “tos” frequency rank
- #155
- “tres” frequency rank
- 9705
- confusion score
Side-by-Side Comparison
| Feature | tos | tres |
|---|---|---|
| Definition | 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. | Dos y uno. |
Where the eye mixes tos and tres
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses tos with tres
These two trip readers on the page rather than in the ear: tos is [ˈt̪os] while tres is [ˈt̪ɾes]. 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 adjective), which is usually the fastest check. Our composite confusion score for this pair is 9705, derived from the frequency rank of both members and their visual similarity.
tos is recorded at frequency rank #9,550, classified as anoun, pronounced [ˈt̪os]. tres is at rank #155, tagged as anadj, pronounced [ˈt̪ɾes].
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 9705, this pair ranks #301,077 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of tos vs tres
Shared letters: st. Private to "tos": o. Private to "tres": er.
"tos" · 3 letters · shape CVC · "tres" · 4 letters · shape CCVC
Known mistypes of this pair
- tres ← rtes · ters · tress · trres · trse · ttres
Frequently Asked Questions
Is swapping "tos" for "tres" ever safe?
Frequency check: "tos" vs "tres" - which ranks higher?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "tos" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "tres" - compare definitions side by side with the headword page. Word entry
- This pair ranks #301,077 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "tos" and "tres" also get mixed up with nearby pairs, the highest-scored neighbour is "tos vs toys". 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 #301,077 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.