bassinet vs baby buggy

bassinet and baby buggy both are nouns.

Word	Noun	Adjective	Verb	Adverb
bassinet	Yes	No	No	No
baby buggy	Yes	No	No	No

As nouns, baby buggy is a hypernym of bassinet; that is, baby buggy is a word with a broader meaning than bassinet:

bassinet: a perambulator that resembles a bassinet
baby buggy: a small vehicle with four wheels in which a baby or child is pushed around

Other hypernyms of bassinet include baby carriage, carriage, go-cart, perambulator, pram, pushchair, pusher, stroller.

bassinet (noun)	baby buggy (noun)
a basket (usually hooded) used as a baby's bed	a small vehicle with four wheels in which a baby or child is pushed around
a perambulator that resembles a bassinet