Wac vs soldier

Wac and soldier both are nouns.

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

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

Other hypernyms of Wac include adult female, woman.

Wac (noun)	soldier (noun)
a member of the Women's Army Corps	a wingless sterile ant or termite having a large head and powerful jaws adapted for defending the colony
	an enlisted man or woman who serves in an army

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