taskvstosWhich spelling fits?

Which to use

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

#49,974
“task” frequency rank
#9,550
“tos” frequency rank
59524
confusion score

Side-by-Side Comparison

Feature task tos
Definition Tarea. 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 task and tos

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
task
3 ch
tos

Visual trap between task and tos

A purely visual mix-up. task (/tæsk/) 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 59524, derived from the frequency rank of both members and their visual similarity.

task is recorded at frequency rank #49,974, classified as anoun, pronounced /tæsk/. 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 59524, this pair ranks #62,284 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of task vs tos

Shared letters: st. Private to "task": ak. Private to "tos": o.

"task" · 4 letters · shape CVCC  ·  "tos" · 3 letters · shape CVC

Known mistypes of this pair

  • taskatsk · taks · taskk · tassk · tsak · ttask

Frequently Asked Questions

Can "task" and "tos" be used interchangeably?
No. They are said differently (/tæsk/ versus [ˈt̪os]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "task" or "tos" show up more?
"tos" is the more common of the two: it sits at frequency rank #9,550 in our Spanish list, against #49,974 for "task". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "task" 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 #62,284 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "task" and "tos" also get mixed up with nearby pairs, the highest-scored neighbour is "tapo vs task". 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 #62,284 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