tonosvstosTell them apart

Which to use

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

#10,583
“tonos” frequency rank
#9,550
“tos” frequency rank
20133
confusion score

Side-by-Side Comparison

Feature tonos tos
Definition Forma del plural de tono. 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 tonos and tos

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
tonos
3 ch
tos

Why the eye confuses tonos with tos

A purely visual mix-up. tonos ([ˈt̪onos]) 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 2 letter(s) in length. Our composite confusion score for this pair is 20133, derived from the frequency rank of both members and their visual similarity.

tonos is recorded at frequency rank #10,583, classified as anoun, pronounced [ˈt̪onos]. 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 20133, this pair ranks #260,655 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of tonos vs tos

Shared letters: ost. Private to "tonos": n. Private to "tos": -.

"tonos" · 5 letters · shape CVCVC  ·  "tos" · 3 letters · shape CVC

Known mistypes of this pair

  • tonosotnos · tnoos · tonnos · tonoss · tonso · toons · ttonos

Frequently Asked Questions

Do "tonos" and "tos" mean the same thing in a sentence?
No. They are said differently ([ˈt̪onos] versus [ˈt̪os]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "tonos" vs "tos" - which ranks higher?
"tos" is the more common of the two: it sits at frequency rank #9,550 in our Spanish list, against #10,583 for "tonos". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "tonos" 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 #260,655 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "tonos" and "tos" also get mixed up with nearby pairs, the highest-scored neighbour is "tonos 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 #260,655 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