IPA: //ˈkruːsɪfɪks//
KK: /ˈkruːsɪfɪks/
A representation or image of Jesus Christ on a cross, often used as a symbol of Christianity.
The church had a beautiful crucifix hanging above the altar.
Crucifix → It is formed from "crux" (meaning cross) and "facere" (meaning to make or do). The word "crucifix" refers to an object that is made in the shape of a cross, specifically one that depicts Jesus Christ on it.
Think of a 'cross' ('crux') that is 'made' ('facere') into a religious symbol — that's what a crucifix represents.
No commonly confused words.