sismovssumoWhat's the difference?

Quick tell: sismo is a noun, sumo is an adjective, so they fill different roles in a sentence.

Which to use

“sismo” is a noun and “sumo” is an adjective - they look or sound alike but fill different roles in a sentence.

#27,672
“sismo” frequency rank
#9,264
“sumo” frequency rank
36936
confusion score

Side-by-Side Comparison

Feature sismo sumo
Definition designação científica do terremoto supremo, máximo

Letter map: sismo vs sumo

Shared letters muted; letters that set sismo and sumo apart highlighted. Shared run: 3. sismo runs 5 letters (CVCCV) against sumo's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
sismo
4 ch
sumo

Part-of-speech tell for sismo / sumo

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sismo is anoun and sumoanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 36936, derived from the frequency rank of both members and their visual similarity.

sismo is recorded at frequency rank #27,672, classified as anoun. sumo is at rank #9,264, tagged as anadj.

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 36936, this pair ranks #29,781 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sismo vs sumo

Shared letters: mos. Private to "sismo": i. Private to "sumo": u.

"sismo" · 5 letters · shape CVCCV  ·  "sumo" · 4 letters · shape CVCV

Known mistypes of this pair

  • sismo ← issmo · simso · sismmo · sisom · sissmo · ssimo · ssismo
  • sumo ← smuo · ssumo · summo · suom · usmo

Frequently Asked Questions

Is swapping "sismo" for "sumo" ever safe?
No - they are not even the same part of speech. "sismo" is a noun and "sumo" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "sismo" vs "sumo" - which ranks higher?
"sumo" is the more common of the two: it sits at frequency rank #9,264 in our Portuguese list, against #27,672 for "sismo". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "sismo" vs "sumo" is on the table, pick a follow-up below.

  • Full dictionary entry for "sismo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sumo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #29,781 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "sismo" and "sumo" also get mixed up with nearby pairs, the highest-scored neighbour is "sadismo vs sismo". 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 #29,781 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list