senovssitoWhat's the difference?

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

Which to use

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

#48,110
“seno” frequency rank
#30,723
“sito” frequency rank
78833
confusion score

Side-by-Side Comparison

Feature seno sito
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 situado

Letter map: seno vs sito

Shared letters muted; letters that set seno and sito apart highlighted. Shared run: 2. seno and sito follow the identical consonant-vowel pattern (CVCV). Same shape at a glance is often the real trap, independent of shared letters.

4 ch
seno
4 ch
sito

Part-of-speech tell for seno / sito

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: seno is anoun and sitoanadjective. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 78833, 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/. sito is at rank #30,723, 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 78833, this pair ranks #1,597 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of seno vs sito

Shared letters: os. Private to "seno": en. Private to "sito": it.

"seno" · 4 letters · shape CVCV  ·  "sito" · 4 letters · shape CVCV

Known mistypes of this pair

  • seno ← esno · senno · seon · sneo · sseno
  • sito ← siot · sitto · ssito · stio

Frequently Asked Questions

Is swapping "seno" for "sito" ever safe?
No - they are not even the same part of speech. "seno" is a noun and "sito" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "seno" vs "sito" - which ranks higher?
"sito" is the more common of the two: it sits at frequency rank #30,723 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.

After this comparison

Pair "seno" vs "sito" 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 "sito" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,597 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "seno" and "sito" 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 #1,597 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