nocivasvsnocivoConfusable pair

Which to use

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

#36,180
“nocivas” frequency rank
#29,315
“nocivo” frequency rank
65495
confusion score

Side-by-Side Comparison

Feature nocivas nocivo
Definition Forma del femenino plural de nocivo. Que hace daño o perjudica.

Where the eye mixes nocivas and nocivo

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

7 ch
nocivas
6 ch
nocivo

Visual trap between nocivas and nocivo

A purely visual mix-up. nocivas ([noˈsiβ̞as]) and nocivo ([noˈsiβ̞o]) 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 letter(s) in length. Our composite confusion score for this pair is 65495, derived from the frequency rank of both members and their visual similarity.

nocivas is recorded at frequency rank #36,180, classified as anadj, pronounced [noˈsiβ̞as]. nocivo is at rank #29,315, tagged as anadj, pronounced [noˈsiβ̞o].

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 65495, this pair ranks #42,466 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of nocivas vs nocivo

Shared letters: cinov. Private to "nocivas": as. Private to "nocivo": -.

"nocivas" · 7 letters · shape CVCVCVC  ·  "nocivo" · 6 letters · shape CVCVCV

Known mistypes of this pair

  • nocivas ← ncoivas · nnocivas · noccivas · nociavs · nocibas · nocivass · nocivsa · nocivvas
  • nocivo ← ncoivo · nnocivo · noccivo · nocibo · nociov · nocivvo · nocvio · noicvo

Frequently Asked Questions

Can "nocivas" and "nocivo" be used interchangeably?
No. They are said differently ([noˈsiβ̞as] versus [noˈsiβ̞o]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "nocivas" vs "nocivo" - which ranks higher?
"nocivo" is the more common of the two: it sits at frequency rank #29,315 in our Spanish list, against #36,180 for "nocivas". 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 "nocivas" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "nocivo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #42,466 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "nocivas" and "nocivo" also get mixed up with nearby pairs, the highest-scored neighbour is "nociva vs nocivas". 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 #42,466 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