SergiovsseriosTell them apart

Quick tell: Sergio is a name, serios is an adjective, so they fill different roles in a sentence.

Which to use

“Sergio” is a name and “serios” is an adjective - they look or sound alike but fill different roles in a sentence.

#3,738
“Sergio” frequency rank
#5,436
“serios” frequency rank
9174
confusion score

Side-by-Side Comparison

Feature Sergio serios
Definition Apellido. Forma del masculino plural de serio.

Where the eye mixes Sergio and serios

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

6 ch
Sergio
6 ch
serios

Visual trap between Sergio and serios

These two trip readers on the page rather than in the ear: Sergio is [ˈseɾxjo] while serios is [ˈseɾjos]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 3 positions, and the parts of speech differ too (name vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 9174, derived from the frequency rank of both members and their visual similarity.

Sergio is recorded at frequency rank #3,738, classified as aname, pronounced [ˈseɾxjo]. serios is at rank #5,436, tagged as anadj, pronounced [ˈseɾjos].

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 9174, this pair ranks #302,729 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Sergio vs serios

Shared letters: eiors. Private to "Sergio": g. Private to "serios": -.

"Sergio" · 6 letters · shape CVCCVV  ·  "serios" · 6 letters · shape CVCVVC

Known mistypes of this pair

  • Sergiocergio · esrgio · segrio · serggio · sergoi · serigo · serrgio · sregio
  • serioscerios · esrios · seiros · serioss · seriso · serois · serrios · sreios

Frequently Asked Questions

Do "Sergio" and "serios" mean the same thing in a sentence?
No - they are not even the same part of speech. "Sergio" is a name and "serios" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Sergio" vs "serios" - which ranks higher?
"Sergio" is the more common of the two: it sits at frequency rank #3,738 in our Spanish list, against #5,436 for "serios". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "Sergio" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "serios" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #302,729 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "Sergio" and "serios" also get mixed up with nearby pairs, the highest-scored neighbour is "serios vs sobrios". 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 #302,729 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list