defoliation vs organic process

defoliation and organic process both are nouns.

Word	Noun	Adjective	Verb	Adverb
defoliation	Yes	No	No	No
organic process	Yes	No	No	No

As nouns, organic process is a hypernym of defoliation; that is, organic process is a word with a broader meaning than defoliation:

Other hypernyms of defoliation include biological process.

defoliation (noun)	organic process (noun)
causing the leaves of trees and other plants to fall off (as by the use of chemicals)	a process occurring in living organisms
the loss of foliage