governor vs vicereine

governor and vicereine both are nouns.

Word	Noun	Adjective	Verb	Adverb
governor	Yes	No	No	No
vicereine	Yes	No	No	No

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

governor: the head of a state government
vicereine: governor of a country or province who rules as the representative of his or her king or sovereign

Other hyponyms of governor include bey, eparch, governor general, military governor, nabob, nawab, proconsul, satrap, viceroy.

governor (noun)	vicereine (noun)
a control that maintains a steady speed in a machine (as by controlling the supply of fuel)	governor of a country or province who rules as the representative of his or her king or sovereign
the head of a state government	wife of a viceroy