booth vs kiosk

booth and kiosk both are nouns.

Word	Noun	Adjective	Verb	Adverb
booth	Yes	No	No	No
kiosk	Yes	No	No	No

As nouns, booth and kiosk are synonyms defined as:

Other synonyms of booth include cubicle, stall.

booth (noun)	kiosk (noun)
small area set off by walls for special use	small area set off by walls for special use
a small shop at a fair; for selling goods or entertainment
a table (in a restaurant or bar) surrounded by two high-backed benches