semanavssenaConfusable pair

Which to use

“semana” and “sena” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#230
“semana” frequency rank
#8,959
“sena” frequency rank
9189
confusion score

Side-by-Side Comparison

Feature semana sena
Definition período de sete dias, com um dia de feriado de cunho religioso: sábado para os judeus, domingo para os cristãos e sexta-feira para os muçulmanos língua bantu de raiz africana falada em Moçambique (código de língua ISO 639-3: seh)

Where the eye mixes semana and sena

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. semana runs 6 letters (CVCVCV) against sena's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.

6 ch
semana
4 ch
sena

Look-alike desk: semana vs sena

A purely visual mix-up. semana (/sɨ.ˈmɐ.nɐ/) and sena (/ˈse.nɐ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 letter(s) in length. Our composite confusion score for this pair is 9189, derived from the frequency rank of both members and their visual similarity.

semana is recorded at frequency rank #230, classified as anoun, pronounced /sɨ.ˈmɐ.nɐ/. sena is at rank #8,959, tagged as anoun, pronounced /ˈse.nɐ/.

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 9189, this pair ranks #64,329 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of semana vs sena

Shared letters: aens. Private to "semana": m. Private to "sena": -.

"semana" · 6 letters · shape CVCVCV  ·  "sena" · 4 letters · shape CVCV

Known mistypes of this pair

  • semana ← esmana · seamna · semaan · semanna · semmana · semnaa · smeana · ssemana
  • sena ← esna · sean · senna · snea · ssena

Frequently Asked Questions

Can "semana" and "sena" be used interchangeably?
No. They are said differently (/sɨ.ˈmɐ.nɐ/ versus /ˈse.nɐ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "semana" vs "sena" - which ranks higher?
"semana" is the more common of the two: it sits at frequency rank #230 in our Portuguese list, against #8,959 for "sena". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "semana" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sena" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #64,329 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "semana" and "sena" also get mixed up with nearby pairs, the highest-scored neighbour is "sena 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 #64,329 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