IPA: //ˈhaʊsˌplænt//
KK: /ˈhaʊsˌplænt/
A type of plant that is grown inside a building, usually for decoration or to improve air quality.
She has several houseplants in her living room that add a touch of green to the space.
Houseplant → The word is formed from "house" (from Old English *hus*, meaning dwelling or shelter) and "plant" (from Latin *planta*, meaning a young tree or sprout). A houseplant is a plant that is kept indoors in a dwelling or shelter.
Think of a 'dwelling' ('house') where a 'young sprout' ('plant') grows — that's what a houseplant is.
No commonly confused words.