seresvsseriesConfusable pair

Which to use

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

#2,119
“seres” frequency rank
#8,113
“series” frequency rank
10232
confusion score

Side-by-Side Comparison

Feature seres series
Definition plural de ser forma plural de serie

Where the eye mixes seres and series

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

5 ch
seres
6 ch
series

Why the eye confuses seres with series

A purely visual mix-up. seres (/ˈse.ɾis/) and series (/ˈse.ɾjes/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 10232, derived from the frequency rank of both members and their visual similarity.

seres is recorded at frequency rank #2,119, classified as anoun, pronounced /ˈse.ɾis/. series is at rank #8,113, tagged as anoun, pronounced /ˈse.ɾjes/.

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 10232, this pair ranks #62,938 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of seres vs series

Shared letters: ers. Private to "seres": -. Private to "series": i.

"seres" · 5 letters · shape CVCVC  ·  "series" · 6 letters · shape CVCVVC

Known mistypes of this pair

  • seresesres · seers · seress · serres · serse · srees · sseres
  • seriesesries · seires · seriess · serise · serries · sreies · sseries

Frequently Asked Questions

Can "seres" and "series" be used interchangeably?
No. They are said differently (/ˈse.ɾis/ versus /ˈse.ɾjes/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "seres" or "series"?
"seres" is the more common of the two: it sits at frequency rank #2,119 in our Portuguese list, against #8,113 for "series". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "seres" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "series" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #62,938 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "seres" and "series" also get mixed up with nearby pairs, the highest-scored neighbour is "serias vs series". 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 #62,938 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