baby carriage vs stroller

baby carriage and stroller both are nouns.

Word	Noun	Adjective	Verb	Adverb
baby carriage	Yes	No	No	No
stroller	Yes	No	No	No

As nouns, baby carriage and stroller are synonyms defined as:

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

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

baby carriage (noun)	stroller (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
	someone who walks at a leisurely pace