secovsséculoWhat's the difference?

Quick tell: seco is a adjective, século is a noun, so they fill different roles in a sentence.

Which to use

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

#4,763
“seco” frequency rank
#1,102
“século” frequency rank
5865
confusion score

Side-by-Side Comparison

Feature seco século
Definition sem água ou humidade; enxuto; árido período de cem anos que se conta a partir de um ponto cronologicamente determinado

Where the spellings diverge

Shared letters are muted; the letters that actually set seco and século apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.

4 ch
seco
6 ch
século

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: seco is /ˈse.ku/ while século is /ˈsɛ.ku.lu/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 5865, derived from the frequency rank of both members and their visual similarity.

seco is recorded at frequency rank #4,763, classified as anadj, pronounced /ˈse.ku/. século is at rank #1,102, tagged as anoun, pronounced /ˈsɛ.ku.lu/.

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 5865, this pair ranks #68,679 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of seco vs século

Shared letters: cos. Private to "seco": e. Private to "século": lué.

"seco" · 4 letters · shape CVCV  ·  "século" · 6 letters · shape CVCVCV

Known mistypes of this pair

  • secoesco · sceo · secco · seoc · sseco

Frequency comparison

seco#4,763
século#1,102

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "seco" and "século" be used interchangeably?
No - they are not even the same part of speech. "seco" is an adjective and "século" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "seco" or "século"?
"século" is the more common of the two: it sits at frequency rank #1,102 in our Portuguese list, against #4,763 for "seco". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering seco vs século

The fastest way to pick the right one every time.

  • Check the role first: if you need an adjective, it's “seco”; for a noun, it's “século”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “seco” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list