pushchair vs perambulator

pushchair and perambulator both are nouns.

Word	Noun	Adjective	Verb	Adverb
pushchair	Yes	No	No	No
perambulator	Yes	No	No	No

As nouns, pushchair and perambulator are synonyms defined as:

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

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

pushchair (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