duct vs plant part

duct and plant part both are nouns.

Word	Noun	Adjective	Verb	Adverb
duct	Yes	No	No	No
plant part	Yes	No	No	No

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

duct: a continuous tube formed by a row of elongated cells lacking intervening end walls
plant part: any part of a plant or fungus

Other hypernyms of duct include plant structure.

duct (noun)	plant part (noun)
an enclosed conduit for a fluid	any part of a plant or fungus
a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance
a continuous tube formed by a row of elongated cells lacking intervening end walls