fronterizavsfronterizasTell them apart

Which to use

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

#12,388
“fronteriza” frequency rank
#22,027
“fronterizas” frequency rank
34415
confusion score

Side-by-Side Comparison

Feature fronteriza fronterizas
Definition Forma del femenino de fronterizo. Forma del femenino plural de fronterizo.

Where the eye mixes fronteriza and fronterizas

Muted = shared; highlighted = the visual trap. They share 10 letters in sequence. fronteriza runs 10 letters (CCVCCVCVCV) against fronterizas's 11 (CCVCCVCVCVC) - the length gap alone is often enough to separate them once you know to check it.

10 ch
fronteriza
11 ch
fronterizas

Why the eye confuses fronteriza with fronterizas

A purely visual mix-up. fronteriza ([fɾõn̪t̪eˈɾisa]) and fronterizas ([fɾõn̪t̪eˈɾisas]) 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) - “fronteriza” sits inside “fronterizas”. Our composite confusion score for this pair is 34415, derived from the frequency rank of both members and their visual similarity.

fronteriza is recorded at frequency rank #12,388, classified as anadj, pronounced [fɾõn̪t̪eˈɾisa]. fronterizas is at rank #22,027, tagged as anadj, pronounced [fɾõn̪t̪eˈɾisas].

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 34415, this pair ranks #191,581 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fronteriza vs fronterizas

Shared letters: aefinortz. Private to "fronteriza": -. Private to "fronterizas": s.

"fronteriza" · 10 letters · shape CCVCCVCVCV  ·  "fronterizas" · 11 letters · shape CCVCCVCVCVC

Known mistypes of this pair

  • fronteriza ← ffronteriza · fornteriza · frnoteriza · fronetriza · fronnteriza · fronteirza · fronteriaz · fronterizza
  • fronterizas ← ffronterizas · fornterizas · frnoterizas · fronetrizas · fronnterizas · fronteirzas · fronteriazs · fronterizass

Frequently Asked Questions

Is swapping "fronteriza" for "fronterizas" ever safe?
No. They are said differently ([fɾõn̪t̪eˈɾisa] versus [fɾõn̪t̪eˈɾisas]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "fronteriza" or "fronterizas" show up more?
"fronteriza" is the more common of the two: it sits at frequency rank #12,388 in our Spanish list, against #22,027 for "fronterizas". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "fronteriza" and "fronterizas" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "fronteriza" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fronterizas" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #191,581 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "fronteriza" and "fronterizas" also get mixed up with nearby pairs, the highest-scored neighbour is "fronterizas vs fronterizos". 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 #191,581 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