# reactive vs realtime

> English confusable word pair

## The two words

### reactive
*adjective · IPA /ɹiːˈæktɪv/ · frequency rank #14,199*
That reacts or responds to a stimulus.

### realtime
*adjective · IPA /ˈɹiːəltaɪm/ · frequency rank #35,041*
Alternative form of real-time.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/vs/reactive-vs-realtime