move ahead vs preserve

move ahead is not a noun while preserve is a noun.

Word	Noun	Adjective	Verb	Adverb
move ahead	No	No	Yes	No
preserve	Yes	No	Yes	No

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

move ahead (verb)	preserve (verb)
move ahead; travel onward in time or space	prevent (food) from rotting
	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