basis, foundation

be crowded / be complicated / go into, go in / put into / become some state completely / do thoroughly / remain in the same state, such as remain sitting or remain silent

air conditioner

communication: the conveying of information between two or more entities

poverty

fundamental, radical, basic / drastic, thorough

staking everything, playing for all-or-nothing

balcony (structure overlooking a stage) / balcony (structure extending from a building)

(linguistics) cognate (word), paronym

comic, comical, comedic