nagi vs coniferous tree

nagi and coniferous tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
nagi	Yes	No	No	No
coniferous tree	Yes	No	No	No

As nouns, coniferous tree is a hypernym of nagi; that is, coniferous tree is a word with a broader meaning than nagi:

nagi: medium-sized tree having glossy lanceolate leaves; southern China to Taiwan and southern Japan
coniferous tree: any gymnospermous tree or shrub bearing cones

Other hypernyms of nagi include conifer.

nagi (noun)	coniferous tree (noun)
medium-sized tree having glossy lanceolate leaves; southern China to Taiwan and southern Japan	any gymnospermous tree or shrub bearing cones