viceroy vs Khedive

viceroy and Khedive both are nouns.

Word	Noun	Adjective	Verb	Adverb
viceroy	Yes	No	No	No
Khedive	Yes	No	No	No

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

viceroy: governor of a country or province who rules as the representative of his or her king or sovereign
Khedive: one of the Turkish viceroys who ruled Egypt between 1867 and 1914

Other hyponyms of viceroy include exarch.

viceroy (noun)	Khedive (noun)
showy American butterfly resembling the monarch but smaller	one of the Turkish viceroys who ruled Egypt between 1867 and 1914
governor of a country or province who rules as the representative of his or her king or sovereign