supuestovssupusoTell them apart

Quick tell: supuesto is a noun, supuso is a verb, so they fill different roles in a sentence.

Which to use

“supuesto” is a noun and “supuso” is a verb - they look or sound alike but fill different roles in a sentence.

#816
“supuesto” frequency rank
#12,722
“supuso” frequency rank
13538
confusion score

Side-by-Side Comparison

Feature supuesto supuso
Definition Concepto, idea, definición o afirmación que se asumen o suponen como existentes o verdaderos. Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del pretérito perfecto simple de indicativo de suponer.

Where the eye mixes supuesto and supuso

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

8 ch
supuesto
6 ch
supuso

Visual trap between supuesto and supuso

These two trip readers on the page rather than in the ear: supuesto is [suˈpwest̪o] while supuso is [suˈpuso]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 13538, derived from the frequency rank of both members and their visual similarity.

supuesto is recorded at frequency rank #816, classified as anoun, pronounced [suˈpwest̪o]. supuso is at rank #12,722, tagged as averb, pronounced [suˈpuso].

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 13538, this pair ranks #287,490 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of supuesto vs supuso

Shared letters: opsu. Private to "supuesto": et. Private to "supuso": -.

"supuesto" · 8 letters · shape CVCVVCCV  ·  "supuso" · 6 letters · shape CVCVCV

Known mistypes of this pair

  • supuestospuuesto · ssupuesto · supeusto · suppuesto · supuesot · supuessto · supuestto · supuetso
  • supusospuuso · ssupuso · suppuso · supsuo · supuos · supusso · suupso · uspuso

Frequently Asked Questions

Do "supuesto" and "supuso" mean the same thing in a sentence?
No - they are not even the same part of speech. "supuesto" is a noun and "supuso" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "supuesto" or "supuso" show up more?
"supuesto" is the more common of the two: it sits at frequency rank #816 in our Spanish list, against #12,722 for "supuso". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "supuesto" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "supuso" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #287,490 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "supuesto" and "supuso" also get mixed up with nearby pairs, the highest-scored neighbour is "supuso vs suso". 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 #287,490 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