trooper vs soldier

trooper and soldier both are nouns.

Word	Noun	Adjective	Verb	Adverb
trooper	Yes	No	No	No
soldier	Yes	No	Yes	No

As nouns, soldier is a hypernym of trooper; that is, soldier is a word with a broader meaning than trooper:

As nouns, soldier is a hypernym of trooper; that is, soldier is a word with a broader meaning than trooper:

trooper (noun)	soldier (noun)
a mounted police officer	a wingless sterile ant or termite having a large head and powerful jaws adapted for defending the colony
a soldier in a motorized army unit	an enlisted man or woman who serves in an army
a state police officer
a soldier mounted on horseback

trooper (verb)	soldier (verb)
	serve as a soldier in the military