Which to use
“tos” is a noun and “tun” is a verb - they look or sound alike but fill different roles in a sentence.
- #9,550
- “tos” frequency rank
- #34,821
- “tun” frequency rank
- 44371
- confusion score
Side-by-Side Comparison
| Feature | tos | tun |
|---|---|---|
| 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. | Pasar, (acaecer). |
Where the eye mixes tos and tun
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Look-alike desk: tos vs tun
These two trip readers on the page rather than in the ear: tos is [ˈt̪os] while tun is [ˈtuːn]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 44371, 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]. tun is at rank #34,821, tagged as averb, pronounced [ˈtuːn].
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 44371, this pair ranks #137,444 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of tos vs tun
Shared letters: t. Private to "tos": os. Private to "tun": nu.
"tos" · 3 letters · shape CVC · "tun" · 3 letters · shape CVC
Frequently Asked Questions
Can "tos" and "tun" be used interchangeably?
Which is more common, "tos" or "tun"?
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 "tos" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "tun" - compare definitions side by side with the headword page. Word entry
- This pair ranks #137,444 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "tos" and "tun" also get mixed up with nearby pairs, the highest-scored neighbour is "tul vs tun". Nearby pair
Confusion rank #137,444 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.