dosvsdosisWhat's the difference?

Quick tell: dos is a num, dosis is a noun, so they fill different roles in a sentence.

Which to use

“dos” is a num and “dosis” is a noun - they look or sound alike but fill different roles in a sentence.

#57
“dos” frequency rank
#4,328
“dosis” frequency rank
4385
confusion score

Side-by-Side Comparison

Feature dos dosis
Definition Que consta de uno más que la unidad (1+1). Una cantidad de medicamento que se aplica o se toma como parte de un tratatamiento médico.

Where the eye mixes dos and dosis

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

3 ch
dos
5 ch
dosis

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: dos is [ˈd̪os] while dosis is [ˈd̪osis]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “dos” sits inside “dosis”, and the parts of speech differ too (num vs noun), which is usually the fastest check. Our composite confusion score for this pair is 4385, derived from the frequency rank of both members and their visual similarity.

dos is recorded at frequency rank #57, classified as anum, pronounced [ˈd̪os]. dosis is at rank #4,328, tagged as anoun, pronounced [ˈd̪osis].

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 4385, this pair ranks #316,227 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of dos vs dosis

Shared letters: dos. Private to "dos": -. Private to "dosis": i.

"dos" · 3 letters · shape CVC  ·  "dosis" · 5 letters · shape CVCVC

Known mistypes of this pair

  • dosisddosis · docis · doiss · dosiss · dossi · dossis · dsois · odsis

Frequently Asked Questions

Can "dos" and "dosis" be used interchangeably?
No - they are not even the same part of speech. "dos" is a num and "dosis" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "dos" or "dosis"?
"dos" is the more common of the two: it sits at frequency rank #57 in our Spanish list, against #4,328 for "dosis". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

You've compared "dos" and "dosis". Here's where to go from here.

  • Full dictionary entry for "dos" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "dosis" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #316,227 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "dos" and "dosis" also get mixed up with nearby pairs, the highest-scored neighbour is "dosel vs dosis". 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

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list