# reductase vs reductive

> English confusable word pair

## The two words

### reductase
*noun · IPA /ɹɪˈdʌk.teɪz/ · frequency rank #41,341*
An enzyme that chemically reduces its substrate.

### reductive
*adjective · IPA /ɹɪˈdʌktɪv/ · frequency rank #39,523*
Pertaining to the reduction of a decree etc.; rescissory.

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