corn liquor vs corn whiskey

corn liquor and corn whiskey both are nouns.

Word	Noun	Adjective	Verb	Adverb
corn liquor	Yes	No	No	No
corn whiskey	Yes	No	No	No

As nouns, corn whiskey is a hypernym of corn liquor; that is, corn whiskey is a word with a broader meaning than corn liquor:

corn liquor: whiskey illegally distilled from a corn mash
corn whiskey: whiskey distilled from a mash of not less than 80 percent corn

Other hypernyms of corn liquor include corn, corn whisky.

corn liquor (noun)	corn whiskey (noun)
whiskey illegally distilled from a corn mash	whiskey distilled from a mash of not less than 80 percent corn