domestic goat vs Capra hircus

domestic goat and Capra hircus both are nouns.

Word	Noun	Adjective	Verb	Adverb
domestic goat	Yes	No	No	No
Capra hircus	Yes	No	No	No

As nouns, domestic goat and Capra hircus are synonyms defined as:

domestic goat and Capra hircus: any of various breeds of goat raised for milk or meat or wool

domestic goat (noun)	Capra hircus (noun)
any of various breeds of goat raised for milk or meat or wool	any of various breeds of goat raised for milk or meat or wool