seriavsserialWhat's the difference?

Quick tell: seria is a verb, serial is an adjective, so they fill different roles in a sentence.

Which to use

“seria” is a verb and “serial” is an adjective - they look or sound alike but fill different roles in a sentence.

#271
“seria” frequency rank
#12,980
“serial” frequency rank
13251
confusion score

Side-by-Side Comparison

Feature seria serial
Definition primeira pessoa do singular do futuro do pretérito do indicativo do verbo ser pertencente a série ou relativo a ela

Letter map: seria vs serial

Shared letters muted; letters that set seria and serial apart highlighted. Shared run: 5.

5 ch
seria
6 ch
serial

Role in the sentence - seria and serial

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: seria is averb and serialanadjective. On the page they differ by 1 extra letter(s) - “seria” sits inside “serial”. Our composite confusion score for this pair is 13251, derived from the frequency rank of both members and their visual similarity.

seria is recorded at frequency rank #271, classified as averb, pronounced /se.ˈɾi.a/. serial is at rank #12,980, tagged as anadj.

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 13251, this pair ranks #59,167 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of seria vs serial

Shared letters: aeirs. Private to "seria": -. Private to "serial": l.

"seria" · 5 letters · shape CVCVV  ·  "serial" · 6 letters · shape CVCVVC

Known mistypes of this pair

  • seriaesria · seira · serai · serria · sreia · sseria
  • serialesrial · seiral · serail · seriall · serila · serrial · sreial · sserial

Frequently Asked Questions

Is swapping "seria" for "serial" ever safe?
No - they are not even the same part of speech. "seria" is a verb and "serial" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "seria" or "serial"?
"seria" is the more common of the two: it sits at frequency rank #271 in our Portuguese list, against #12,980 for "serial". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Pair "seria" vs "serial" is on the table, pick a follow-up below.

  • Full dictionary entry for "seria" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "serial" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #59,167 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "seria" and "serial" also get mixed up with nearby pairs, the highest-scored neighbour is "serial vs serviçal". 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 #59,167 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