Englishman vs Whig

Englishman and Whig both are nouns.

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

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

Englishman: a man who is a native or inhabitant of England
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 Englishman include John Bull, limey, Cornishman, burgess, burgher, Jacobean, Tory.

Englishman (noun)	Whig (noun)
a man who is a native or inhabitant of England	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