tónicavstónicoWhich spelling fits?

Quick tell: tónica is a noun, tónico is an adjective, so they fill different roles in a sentence.

Which to use

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

#22,891
“tónica” frequency rank
#39,510
“tónico” frequency rank
62401
confusion score

Side-by-Side Comparison

Feature tónica tónico
Definition Bebida gaseosa, generalmente aromatizada con quinina, de sabor más o menos amargo. Que pertenece o concierne al tono.

Where the eye mixes tónica and tónico

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. tónica and tónico follow the identical consonant-vowel pattern (CVCVCV). Same shape at a glance is often the real trap, independent of shared letters.

6 ch
tónica
6 ch
tónico

Look-alike desk: tónica vs tónico

These two trip readers on the page rather than in the ear: tónica is [ˈt̪onika] while tónico is [ˈt̪oniko]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - a in “tónica” becomes o in “tónico”, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 62401, derived from the frequency rank of both members and their visual similarity.

tónica is recorded at frequency rank #22,891, classified as anoun, pronounced [ˈt̪onika]. tónico is at rank #39,510, tagged as anadj, pronounced [ˈt̪oniko].

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 62401, this pair ranks #52,166 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of tónica vs tónico

Shared letters: cintó. Private to "tónica": a. Private to "tónico": o.

"tónica" · 6 letters · shape CVCVCV  ·  "tónico" · 6 letters · shape CVCVCV

Frequently Asked Questions

Is swapping "tónica" for "tónico" ever safe?
No - they are not even the same part of speech. "tónica" is a noun and "tónico" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "tónica" vs "tónico" - which ranks higher?
"tónica" is the more common of the two: it sits at frequency rank #22,891 in our Spanish list, against #39,510 for "tónico". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "tónica" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tónico" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #52,166 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "tónica" and "tónico" also get mixed up with nearby pairs, the highest-scored neighbour is "tónico vs torito". Nearby pair

Confusion rank #52,166 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