Which to use
“too” is an adverb and “tos” is a noun - they look or sound alike but fill different roles in a sentence.
- #13,802
- “too” frequency rank
- #9,550
- “tos” frequency rank
- 23352
- confusion score
Side-by-Side Comparison
| Feature | too | tos |
|---|---|---|
| Definition | Demasiado. | 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 too and tos
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses too with tos
These two trip readers on the page rather than in the ear: too is /tuː/ while tos is [ˈt̪os]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - o in “too” becomes s in “tos”, and the parts of speech differ too (adverb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 23352, derived from the frequency rank of both members and their visual similarity.
too is recorded at frequency rank #13,802, classified as anadv, pronounced /tuː/. 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 23352, this pair ranks #246,193 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of too vs tos
Shared letters: ot. Private to "too": -. Private to "tos": s.
"too" · 3 letters · shape CVV · "tos" · 3 letters · shape CVC
Frequently Asked Questions
Can "too" and "tos" be used interchangeably?
In ordinary Spanish text, does "too" or "tos" show up more?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "too" 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 #246,193 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "too" and "tos" also get mixed up with nearby pairs, the highest-scored neighbour is "too vs toys". Nearby pair
Confusion rank #246,193 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.