crown monkey vs bonnet monkey

crown monkey and bonnet monkey both are nouns.

Word	Noun	Adjective	Verb	Adverb
crown monkey	Yes	No	No	No
bonnet monkey	Yes	No	No	No

As nouns, crown monkey and bonnet monkey are synonyms defined as:

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

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

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