lullaby vs cradlesong

lullaby and cradlesong both are nouns.

Word	Noun	Adjective	Verb	Adverb
lullaby	Yes	No	No	No
cradlesong	Yes	No	No	No

As nouns, lullaby and cradlesong are synonyms defined as:

lullaby and cradlesong: the act of singing a quiet song to lull a child to sleep

As nouns, lullaby and cradlesong are synonyms defined as:

Other synonyms of lullaby include berceuse.

lullaby (noun)	cradlesong (noun)
the act of singing a quiet song to lull a child to sleep	the act of singing a quiet song to lull a child to sleep
a quiet song intended to lull a child to sleep	a quiet song intended to lull a child to sleep