liberalist vs Whig

liberalist and Whig both are nouns.

Word	Noun	Adjective	Verb	Adverb
liberalist	Yes	No	No	No
Whig	Yes	No	No	No

As nouns, Whig is a hyponym of liberalist; that is, Whig is a word with a more specific, narrower meaning than liberalist:

liberalist: a person who favors a political philosophy of progress and reform and the protection of civil liberties
Whig: a member of the political party that urged social reform in 18th and 19th century England; was the opposition party to the Tories

Other hyponyms of liberalist include armchair liberal, latitudinarian, neoliberal, pluralist, libtard.

liberalist (noun)	Whig (noun)
a person who favors a political philosophy of progress and reform and the protection of civil liberties	a member of the political party that urged social reform in 18th and 19th century England; was the opposition party to the Tories
	a supporter of the American Revolution
	a member of the Whig Party that existed in the United States before the American Civil War