básicasvsbásicosWhich spelling fits?

Which to use

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

#4,861
“básicas” frequency rank
#3,383
“básicos” frequency rank
8244
confusion score

Side-by-Side Comparison

Feature básicas básicos
Definition Forma del femenino plural de básico. Forma del plural de básico.

Where the eye mixes básicas and básicos

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

7 ch
básicas
7 ch
básicos

Why the eye confuses básicas with básicos

A purely visual mix-up. básicas ([ˈbasikas]) and básicos ([ˈbasikos]) 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 a single letter - a in “básicas” becomes o in “básicos”. Our composite confusion score for this pair is 8244, derived from the frequency rank of both members and their visual similarity.

básicas is recorded at frequency rank #4,861, classified as anadj, pronounced [ˈbasikas]. básicos is at rank #3,383, tagged as anadj, pronounced [ˈbasikos].

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 8244, this pair ranks #305,588 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of básicas vs básicos

Shared letters: bcisá. Private to "básicas": a. Private to "básicos": o.

"básicas" · 7 letters · shape CVCVCVC  ·  "básicos" · 7 letters · shape CVCVCVC

Frequently Asked Questions

Is swapping "básicas" for "básicos" ever safe?
No. They are said differently ([ˈbasikas] versus [ˈbasikos]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "básicas" or "básicos" show up more?
"básicos" is the more common of the two: it sits at frequency rank #3,383 in our Spanish list, against #4,861 for "básicas". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "básicas" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "básicos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #305,588 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "básicas" and "básicos" also get mixed up with nearby pairs, the highest-scored neighbour is "basas vs básicas". Nearby pair

Confusion rank #305,588 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