perambulator vs baby buggy

perambulator and baby buggy both are nouns.

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

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

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

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

perambulator (noun)	baby buggy (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