conservation vs preservation

conservation and preservation both are nouns.

Word	Noun	Adjective	Verb	Adverb
conservation	Yes	No	No	No
preservation	Yes	No	No	No

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

conservation: the preservation and careful management of the environment and of natural resources
preservation: the activity of protecting something from loss or danger

Other hypernyms of conservation include saving.

As nouns, conservation and preservation are synonyms defined as:

conservation and preservation: an occurrence of improvement by virtue of preventing loss or injury or other change

conservation (noun)	preservation (noun)
the preservation and careful management of the environment and of natural resources	the activity of protecting something from loss or danger
(physics) the maintenance of a certain quantities unchanged during chemical reactions or physical transformations	an occurrence of improvement by virtue of preventing loss or injury or other change
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