muntjac vs barking deer

muntjac and barking deer both are nouns.

Word	Noun	Adjective	Verb	Adverb
muntjac	Yes	No	No	No
barking deer	Yes	No	No	No

As nouns, muntjac and barking deer are synonyms defined as:

muntjac and barking deer: small Asian deer with small antlers and a cry like a bark

muntjac (noun)	barking deer (noun)
small Asian deer with small antlers and a cry like a bark	small Asian deer with small antlers and a cry like a bark