Which to use
“reacción” is a noun and “reaccionar” is a verb - they look or sound alike but fill different roles in a sentence.
- #2,267
- “reacción” frequency rank
- #8,703
- “reaccionar” frequency rank
- 10970
- confusion score
Side-by-Side Comparison
| Feature | reacción | reaccionar |
|---|---|---|
| Definition | Hecho o acción que se opone o resiste a otra, obrando en sentido contrario a ella. | Actuar en respuesta a un estímulo. |
Where the spellings diverge
Shared letters are muted; the letters that actually set reacción and reaccionar apart are highlighted. They share 7 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
reacción and reaccionar form a confusable pair in the Spanish index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 2 letter(s) in length - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 10970, derived from the frequency rank of both members and their visual similarity.
reacción is recorded at frequency rank #2,267, classified as anoun, pronounced [reakˈsjõn]. reaccionar is at rank #8,703, tagged as averb, pronounced [reaksjoˈnaɾ].
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 10970, this pair ranks #296,717 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Frequency comparison
Frequently Asked Questions
Can "reacción" and "reaccionar" be used interchangeably?
Remembering reacción vs reaccionar
The fastest way to pick the right one every time.
- Check the role first: if you need a noun, it's “reacción”; for a verb, it's “reaccionar”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “reacción” entry
- Browse more pairs most likely to be confused. Most confusable