bush baby vs bushbaby

bush baby and bushbaby both are nouns.

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

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

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

Other synonyms of bush baby include galago.

bush baby (noun)	bushbaby (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