sésamovssessãoWhich spelling fits?

Which to use

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

#40,349
“sésamo” frequency rank
#1,830
“sessão” frequency rank
42179
confusion score

Side-by-Side Comparison

Feature sésamo sessão
Definition sésamo tempo durante o qual um corpo deliberativo se reúne

Where the eye mixes sésamo and sessão

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. sésamo (CVCVCV) and sessão (CVCCVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

6 ch
sésamo
6 ch
sessão

Why the eye confuses sésamo with sessão

A purely visual mix-up. sésamo (/ˈsɛsa̝mo̝/) and sessão (/sɨ.ˈsɐ̃w̃/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 3 positions. Our composite confusion score for this pair is 42179, derived from the frequency rank of both members and their visual similarity.

sésamo is recorded at frequency rank #40,349, classified as anoun, pronounced /ˈsɛsa̝mo̝/. sessão is at rank #1,830, tagged as anoun, pronounced /sɨ.ˈsɐ̃w̃/.

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 42179, this pair ranks #23,627 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sésamo vs sessão

Shared letters: os. Private to "sésamo": amé. Private to "sessão": eã.

"sésamo" · 6 letters · shape CVCVCV  ·  "sessão" · 6 letters · shape CVCCVV

Frequently Asked Questions

Do "sésamo" and "sessão" mean the same thing in a sentence?
No. They are said differently (/ˈsɛsa̝mo̝/ versus /sɨ.ˈsɐ̃w̃/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Portuguese text, does "sésamo" or "sessão" show up more?
"sessão" is the more common of the two: it sits at frequency rank #1,830 in our Portuguese list, against #40,349 for "sésamo". 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 "sésamo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sessão" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #23,627 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "sésamo" and "sessão" also get mixed up with nearby pairs, the highest-scored neighbour is "sésamo vs sismo". Nearby pair

Confusion rank #23,627 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