flacovsflacosWhich spelling fits?

Which to use

“flaco” and “flacos” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#6,679
“flaco” frequency rank
#24,875
“flacos” frequency rank
31554
confusion score

Side-by-Side Comparison

Feature flaco flacos
Definition Escaso de carnes y grasa. Forma del plural de flaco.

Where the eye mixes flaco and flacos

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

5 ch
flaco
6 ch
flacos

Visual trap between flaco and flacos

A purely visual mix-up. flaco ([ˈflako]) and flacos ([ˈflakos]) 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 extra letter(s) - “flaco” sits inside “flacos”. Our composite confusion score for this pair is 31554, derived from the frequency rank of both members and their visual similarity.

flaco is recorded at frequency rank #6,679, classified as anadj, pronounced [ˈflako]. flacos is at rank #24,875, tagged as anadj, pronounced [ˈflakos].

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 31554, this pair ranks #206,512 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of flaco vs flacos

Shared letters: acflo. Private to "flaco": -. Private to "flacos": s.

"flaco" · 5 letters · shape CCVCV  ·  "flacos" · 6 letters · shape CCVCVC

Known mistypes of this pair

  • flacofalco · fflaco · flacco · flaoc · flcao · fllaco · lfaco
  • flacosfalcos · fflacos · flaccos · flacoss · flacso · flaocs · flcaos · fllacos

Frequently Asked Questions

Can "flaco" and "flacos" be used interchangeably?
No. They are said differently ([ˈflako] versus [ˈflakos]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "flaco" vs "flacos" - which ranks higher?
"flaco" is the more common of the two: it sits at frequency rank #6,679 in our Spanish list, against #24,875 for "flacos". 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 "flaco" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "flacos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #206,512 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "flaco" and "flacos" also get mixed up with nearby pairs, the highest-scored neighbour is "faces vs flacos". 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 #206,512 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