lupin vs woody plant

lupin and woody plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
lupin	Yes	No	No	No
woody plant	Yes	No	No	No

As nouns, woody plant is a hypernym of lupin; that is, woody plant is a word with a broader meaning than lupin:

lupin: any plant of the genus Lupinus; bearing erect spikes of usually purplish-blue flowers
woody plant: a plant having hard lignified tissues or woody parts especially stems

Other hypernyms of lupin include ligneous plant.

lupin (noun)	woody plant (noun)
any plant of the genus Lupinus; bearing erect spikes of usually purplish-blue flowers	a plant having hard lignified tissues or woody parts especially stems