TobíasvstóxicasConfusable pair

Quick tell: Tobías is a name, tóxicas is an adjective, so they fill different roles in a sentence.

Which to use

“Tobías” is a name and “tóxicas” is an adjective - they look or sound alike but fill different roles in a sentence.

#36,850
“Tobías” frequency rank
#21,523
“tóxicas” frequency rank
58373
confusion score

Side-by-Side Comparison

Feature Tobías tóxicas
Definition Nombre de pila de varón Forma del femenino plural de tóxico.

Where the eye mixes Tobías and tóxicas

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. Tobías runs 6 letters (CVCVVC) against tóxicas's 7 (CVCVCVC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
Tobías
7 ch
tóxicas

Visual trap between Tobías and tóxicas

These two trip readers on the page rather than in the ear: Tobías is [t̪oˈβ̞ias] while tóxicas is [ˈt̪oksikas]. 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 (name vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 58373, derived from the frequency rank of both members and their visual similarity.

Tobías is recorded at frequency rank #36,850, classified as aname, pronounced [t̪oˈβ̞ias]. tóxicas is at rank #21,523, tagged as anadj, pronounced [ˈt̪oksikas].

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 58373, this pair ranks #66,671 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of Tobías vs tóxicas

Shared letters: ast. Private to "Tobías": boí. Private to "tóxicas": cixó.

"Tobías" · 6 letters · shape CVCVVC  ·  "tóxicas" · 7 letters · shape CVCVCVC

Frequently Asked Questions

Is swapping "Tobías" for "tóxicas" ever safe?
No - they are not even the same part of speech. "Tobías" is a name and "tóxicas" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Tobías" or "tóxicas"?
"tóxicas" is the more common of the two: it sits at frequency rank #21,523 in our Spanish list, against #36,850 for "Tobías". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "Tobías" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tóxicas" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #66,671 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "Tobías" and "tóxicas" also get mixed up with nearby pairs, the highest-scored neighbour is "tibios vs Tobías". Nearby pair

Confusion rank #66,671 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