preserve vs stay fresh

preserve is a noun but stay fresh is not a noun.

Word	Noun	Adjective	Verb	Adverb
preserve	Yes	No	Yes	No
stay fresh	No	No	Yes	No

preserve (noun)	stay fresh (noun)
fruit preserved by cooking with sugar
a reservation where animals are protected
a domain that seems to be specially reserved for someone

preserve (verb)	stay fresh (verb)
prevent (food) from rotting	fail to spoil or rot
keep in safety and protect from harm, decay, loss, or destruction
to keep up and reserve for personal or special use
keep or maintain in unaltered condition; cause to remain or last
maintain in safety from injury, harm, or danger
keep undisturbed for personal or private use for hunting, shooting, or fishing