The most common Korean word for “vegetable” is 채소 (chaeso). There is one more word with a similar meaning — compare them below. 「vegetable」는 한국어로 채소.
Learn 채소 free — flashcards, audio and review →「채소」 단어장으로 무료로 외우기Words and levels: TOPIK I essentials (National Institute of Korean Language standard curriculum, KOGL Type 1) · examples: Cheesepotato