secosvsseisConfusable pair

Quick tell: secos is a noun, seis is a num, so they fill different roles in a sentence.

Which to use

“secos” is a noun and “seis” is a num - they look or sound alike but fill different roles in a sentence.

#11,961
“secos” frequency rank
#542
“seis” frequency rank
12503
confusion score

Side-by-Side Comparison

Feature secos seis
Definition gêneros alimentícios secos número equivalente a cinco mais um; cardinalidade de um conjunto que contenha seis elementos distintos; representado pelo símbolo 6 (algarismos arábicos) ou VI (algarismos romanos)

Letter map: secos vs seis

Shared letters muted; letters that set secos and seis apart highlighted. Shared run: 3.

5 ch
secos
4 ch
seis

Grammar separator: secos vs seis

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: secos is anoun and seisanum. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 12503, derived from the frequency rank of both members and their visual similarity.

secos is recorded at frequency rank #11,961, classified as anoun. seis is at rank #542, tagged as anum.

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 12503, this pair ranks #60,039 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of secos vs seis

Shared letters: es. Private to "secos": co. Private to "seis": i.

"secos" · 5 letters · shape CVCVC  ·  "seis" · 4 letters · shape CVVC

Known mistypes of this pair

  • secosescos · sceos · seccos · secoss · secso · seocs · ssecos
  • seisesis · seiss · sesi · sies · sseis

Frequently Asked Questions

Is swapping "secos" for "seis" ever safe?
No - they are not even the same part of speech. "secos" is a noun and "seis" a num, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "secos" vs "seis" - which ranks higher?
"seis" is the more common of the two: it sits at frequency rank #542 in our Portuguese list, against #11,961 for "secos". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

You've compared "secos" and "seis". Here's where to go from here.

  • Full dictionary entry for "secos" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "seis" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #60,039 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "secos" and "seis" also get mixed up with nearby pairs, the highest-scored neighbour is "secos vs seno". 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 #60,039 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