pine vs conifer

pine and conifer both are nouns.

Word	Noun	Adjective	Verb	Adverb
pine	Yes	No	Yes	No
conifer	Yes	No	No	No

As nouns, conifer is a hypernym of pine; that is, conifer is a word with a broader meaning than pine:

Other hypernyms of pine include coniferous tree.

pine (noun)	conifer (noun)
a coniferous tree	any gymnospermous tree or shrub bearing cones
straight-grained durable and often resinous white to yellowish timber of any of numerous trees of the genus Pinus

pine (verb)	conifer (verb)
have a desire for something or someone who is not present