IPA: /dɪˈkæfɪˌneɪtɪd/
KK: /dɪˈkæfɪˌneɪtɪd/
This term describes a beverage, usually coffee or tea, from which caffeine has been removed, making it a suitable option for those who want to avoid caffeine.
I prefer decaffeinated coffee in the evening so I can sleep better at night.
Decaffeinated → It is formed from "de-" (meaning down or away) and "caffein" (from French *caféine*, meaning caffeine) and the suffix "-ated" (indicating a process). The word "decaffeinated" means the process of removing caffeine from a beverage, particularly coffee.
Think of 'removing' ('de-') caffeine ('caffein') from your drink — that's what decaffeinated means.
No commonly confused words.