senovssumoTell them apart

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

Which to use

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

#48,110
“seno” frequency rank
#9,264
“sumo” frequency rank
57374
confusion score

Side-by-Side Comparison

Feature seno sumo
Definition em relação a um dos ângulos agudos de um triângulo retângulo, é o resultado da divisão do valor do cateto oposto a este ângulo pelo valor da hipotenusa supremo, máximo

Letter map: seno vs sumo

Shared letters muted; letters that set seno and sumo apart highlighted. Shared run: 2.

4 ch
seno
4 ch
sumo

Grammar separator: seno vs sumo

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: seno is anoun and sumoanadjective. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 57374, derived from the frequency rank of both members and their visual similarity.

seno is recorded at frequency rank #48,110, classified as anoun, pronounced /ˈsenu/. 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 57374, this pair ranks #9,387 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of seno vs sumo

Shared letters: os. Private to "seno": en. Private to "sumo": mu.

"seno" · 4 letters · shape CVCV  ·  "sumo" · 4 letters · shape CVCV

Known mistypes of this pair

  • senoesno · senno · seon · sneo · sseno
  • sumosmuo · ssumo · summo · suom · usmo

Frequently Asked Questions

Is swapping "seno" for "sumo" ever safe?
No - they are not even the same part of speech. "seno" is a noun and "sumo" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "seno" or "sumo"?
"sumo" is the more common of the two: it sits at frequency rank #9,264 in our Portuguese list, against #48,110 for "seno". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "seno" 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 #9,387 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "seno" and "sumo" also get mixed up with nearby pairs, the highest-scored neighbour is "seno vs sueño". 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 #9,387 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