pigwash vs provender

pigwash and provender both are nouns.

Word	Noun	Adjective	Verb	Adverb
pigwash	Yes	No	No	No
provender	Yes	No	No	No

As nouns, provender is a hypernym of pigwash; that is, provender is a word with a broader meaning than pigwash:

pigwash: wet feed (especially for pigs) consisting of mostly kitchen waste mixed with water or skimmed or sour milk
provender: food for domestic livestock

Other hypernyms of pigwash include feed.

pigwash (noun)	provender (noun)
wet feed (especially for pigs) consisting of mostly kitchen waste mixed with water or skimmed or sour milk	a stock or supply of foods
	food for domestic livestock