preservation vs organic process

preservation and organic process both are nouns.

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

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

Other hypernyms of preservation include biological process.

preservation (noun)	organic process (noun)
the activity of protecting something from loss or danger	a process occurring in living organisms
an occurrence of improvement by virtue of preventing loss or injury or other change
a process that saves organic substances from decay
the condition of being (well or ill) preserved