Sus scrofa vs squealer

Sus scrofa and squealer both are nouns.

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

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

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

Sus scrofa (noun)	squealer (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	one who reveals confidential information to the police or other authority