prompt box vs cubicle

prompt box and cubicle both are nouns.

Word	Noun	Adjective	Verb	Adverb
prompt box	Yes	No	No	No
cubicle	Yes	No	No	No

As nouns, cubicle is a hypernym of prompt box; that is, cubicle is a word with a broader meaning than prompt box:

prompt box: a booth projecting above the floor in the front of a stage where the prompter sits; opens toward the performers on stage
cubicle: small area set off by walls for special use

Other hypernyms of prompt box include booth, kiosk, stall.

prompt box (noun)	cubicle (noun)
a booth projecting above the floor in the front of a stage where the prompter sits; opens toward the performers on stage	small area set off by walls for special use
	small individual study area in a library
	small room in which a monk or nun lives