Sus scrofa vs pig

Sus scrofa and pig both are nouns.

Word	Noun	Adjective	Verb	Adverb
Sus scrofa	Yes	No	No	No
pig	Yes	No	Yes	No

As nouns, Sus scrofa and pig are synonyms defined as:

Other synonyms of Sus scrofa include grunter, hog, squealer.

Sus scrofa (noun)	pig (noun)
Old World wild swine having a narrow body and prominent tusks from which most domestic swine come; introduced in United States	domestic swine
domestic swine	a crude block of metal (lead or iron) poured from a smelting furnace
	mold consisting of a bed of sand in which pig iron is cast
	a person regarded as greedy and pig-like
	uncomplimentary terms for a policeman
	a coarse obnoxious person