sereiavssérioWhat's the difference?

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

Which to use

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

#11,967
“sereia” frequency rank
#544
“sério” frequency rank
12511
confusion score

Side-by-Side Comparison

Feature sereia sério
Definition ser mitológico, metade peixe, metade mulher, cujo canto atraía navegantes para o fundo do mar que demonstra profundo pensar

Where the spellings diverge

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

6 ch
sereia
5 ch
sério

Spelling & Dictionary Insight

sereia and sério form a confusable pair in the Portuguese index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 1 letter(s) in length - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 12511, derived from the frequency rank of both members and their visual similarity.

sereia is recorded at frequency rank #11,967, classified as anoun. sério is at rank #544, tagged as anadj, pronounced /ˈsɛ.ɾju/.

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 12511, this pair ranks #60,027 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Frequency comparison

sereia#11,967
sério#544

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "sereia" and "sério" be used interchangeably?
No, "sereia" and "sério" have distinct meanings and cannot be swapped without changing the meaning of a sentence. Understanding the specific definition and context for each word is essential for correct usage.

Remembering sereia vs sério

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “sereia”; for an adjective, it's “sério”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “sereia” 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