baby buggy vs perambulator

baby buggy and perambulator both are nouns.

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

As nouns, baby buggy and perambulator are synonyms defined as:

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

Other synonyms of baby buggy include baby carriage, carriage, go-cart, pram, pushchair, pusher, stroller.

baby buggy (noun)	perambulator (noun)
a small vehicle with four wheels in which a baby or child is pushed around	a small vehicle with four wheels in which a baby or child is pushed around