baby buggy vs baby carriage

baby buggy and baby carriage both are nouns.

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

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

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

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

baby buggy (noun)	baby carriage (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