flacasvsflancosTell them apart

Quick tell: flacas is a adjective, flancos is a noun, so they fill different roles in a sentence.

Which to use

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

#33,130
“flacas” frequency rank
#28,379
“flancos” frequency rank
61509
confusion score

Side-by-Side Comparison

Feature flacas flancos
Definition Forma del femenino plural de flaco. Forma del plural de flanco.

Where the eye mixes flacas and flancos

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. flacas runs 6 letters (CCVCVC) against flancos's 7 (CCVCCVC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
flacas
7 ch
flancos

Look-alike desk: flacas vs flancos

These two trip readers on the page rather than in the ear: flacas is [ˈflakas] while flancos is [ˈflãŋkos]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 61509, derived from the frequency rank of both members and their visual similarity.

flacas is recorded at frequency rank #33,130, classified as anadj, pronounced [ˈflakas]. flancos is at rank #28,379, tagged as anoun, pronounced [ˈflãŋkos].

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 61509, this pair ranks #55,214 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of flacas vs flancos

Shared letters: acfls. Private to "flacas": -. Private to "flancos": no.

"flacas" · 6 letters · shape CCVCVC  ·  "flancos" · 7 letters · shape CCVCCVC

Known mistypes of this pair

  • flacas ← falcas · fflacas · flaacs · flacass · flaccas · flacsa · flcaas · fllacas
  • flancos ← falncos · fflancos · flacnos · flanccos · flancoss · flancso · flanncos · flanocs

Frequently Asked Questions

Is swapping "flacas" for "flancos" ever safe?
No - they are not even the same part of speech. "flacas" is an adjective and "flancos" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "flacas" or "flancos" show up more?
"flancos" is the more common of the two: it sits at frequency rank #28,379 in our Spanish list, against #33,130 for "flacas". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "flacas" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "flancos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #55,214 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "flacas" and "flancos" also get mixed up with nearby pairs, the highest-scored neighbour is "flacas vs flojas". 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 #55,214 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