IPA: //ˈɡriːs.peɪnt//
KK: /ˈɡrisˌpeɪnt/
A type of makeup used in theater, made from grease and color, to create various looks for performances.
The actor applied greasepaint to his face to prepare for the role.
Greasepaint is formed from "grease" (from Old English "grēos", meaning a thick oily substance) and "paint" (from Latin "pictura", meaning a picture or painting). The word refers to a thick, oily paint used in theatrical makeup.
Think of a thick, oily substance ('grease') used to create a picture or design ('paint') on the face, which is what greasepaint is used for in theater.
No commonly confused words.