ecesis vs natural process

ecesis and natural process both are nouns.

Word	Noun	Adjective	Verb	Adverb
ecesis	Yes	No	No	No
natural process	Yes	No	No	No

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

ecesis: (ecology) the process by which a plant or animal becomes established in a new habitat
natural process: a process existing in or produced by nature (rather than by the intent of human beings)

Other hypernyms of ecesis include action, activity, natural action.

ecesis (noun)	natural process (noun)
(ecology) the process by which a plant or animal becomes established in a new habitat	a process existing in or produced by nature (rather than by the intent of human beings)