wood ant vs ant

wood ant and ant both are nouns.

Word	Noun	Adjective	Verb	Adverb
wood ant	Yes	No	No	No
ant	Yes	No	No	No

As nouns, ant is a hypernym of wood ant; that is, ant is a word with a broader meaning than wood ant:

wood ant: reddish-brown European ant typically living in anthills in woodlands
ant: social insect living in organized colonies; characteristically the males and fertile queen have wings during breeding season; wingless sterile females are the workers

Other hypernyms of wood ant include emmet, pismire.

wood ant (noun)	ant (noun)
reddish-brown European ant typically living in anthills in woodlands	social insect living in organized colonies; characteristically the males and fertile queen have wings during breeding season; wingless sterile females are the workers