radicavsrápidaWhich spelling fits?

Quick tell: radica is a verb, rápida is an adjective, so they fill different roles in a sentence.

Which to use

“radica” is a verb and “rápida” is an adjective - they look or sound alike but fill different roles in a sentence.

#9,712
“radica” frequency rank
#2,578
“rápida” frequency rank
12290
confusion score

Side-by-Side Comparison

Feature radica rápida
Definition Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del presente de indicativo de radicar. Forma del femenino singular de rápido.

Where the eye mixes radica and rápida

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. radica and rápida follow the identical consonant-vowel pattern (CVCVCV). Same shape at a glance is often the real trap, independent of shared letters.

6 ch
radica
6 ch
rápida

Look-alike desk: radica vs rápida

These two trip readers on the page rather than in the ear: radica is [raˈð̞ika] while rápida is [ˈrapið̞a]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 3 positions, and the parts of speech differ too (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 12290, derived from the frequency rank of both members and their visual similarity.

radica is recorded at frequency rank #9,712, classified as averb, pronounced [raˈð̞ika]. rápida is at rank #2,578, tagged as anadj, pronounced [ˈrapið̞a].

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 12290, this pair ranks #292,046 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of radica vs rápida

Shared letters: adir. Private to "radica": c. Private to "rápida": pá.

"radica" · 6 letters · shape CVCVCV  ·  "rápida" · 6 letters · shape CVCVCV

Known mistypes of this pair

  • radica ← ardica · radcia · raddica · radiac · radicca · raidca · rdaica · rradica

Frequently Asked Questions

Do "radica" and "rápida" mean the same thing in a sentence?
No - they are not even the same part of speech. "radica" is a verb and "rápida" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "radica" or "rápida"?
"rápida" is the more common of the two: it sits at frequency rank #2,578 in our Spanish list, against #9,712 for "radica". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "radica" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "rápida" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #292,046 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "radica" and "rápida" also get mixed up with nearby pairs, the highest-scored neighbour is "radica vs radican". 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 #292,046 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