bonnet monkey vs capped macaque

bonnet monkey and capped macaque both are nouns.

Word	Noun	Adjective	Verb	Adverb
bonnet monkey	Yes	No	No	No
capped macaque	Yes	No	No	No

As nouns, bonnet monkey and capped macaque are synonyms defined as:

bonnet monkey and capped macaque: Indian macaque with a bonnet-like tuft of hair

Other synonyms of bonnet monkey include bonnet macaque, crown monkey, Macaca radiata.

bonnet monkey (noun)	capped macaque (noun)
Indian macaque with a bonnet-like tuft of hair	Indian macaque with a bonnet-like tuft of hair