bush baby vs galago

bush baby and galago both are nouns.

Word	Noun	Adjective	Verb	Adverb
bush baby	Yes	No	No	No
galago	Yes	No	No	No

As nouns, bush baby and galago are synonyms defined as:

bush baby and galago: agile long-tailed nocturnal African lemur with dense woolly fur and large eyes and ears

Other synonyms of bush baby include bushbaby.

bush baby (noun)	galago (noun)
agile long-tailed nocturnal African lemur with dense woolly fur and large eyes and ears	agile long-tailed nocturnal African lemur with dense woolly fur and large eyes and ears