expend vs waste

expend is not a noun while waste is a noun.

Word	Noun	Adjective	Verb	Adverb
expend	No	No	Yes	No
waste	Yes	Yes	Yes	No

As verbs, waste is a hyponym of expend; that is, waste is a word with a more specific, narrower meaning than expend:

As verbs, waste is a hyponym of expend; that is, waste is a word with a more specific, narrower meaning than expend:

expend (noun)	waste (noun)
	useless or profitless activity; using or expending or consuming thoughtlessly or carelessly
	(law) reduction in the value of an estate caused by act or neglect
	the trait of wasting resources
	an uninhabited wilderness that is worthless for cultivation
	any materials unused and rejected as worthless or unwanted

expend (adjective)	waste (adjective)
	located in a dismal or remote area; desolate

expend (verb)	waste (verb)
use up (resources or materials)	become physically weaker
pay out	cause extensive destruction or ruin utterly
	cause to grow thin or weak
	lose vigor, health, or flesh, as through grief
	spend extravagantly
	use inefficiently or inappropriately
	get rid of (someone who may be a threat) by killing
	run off as waste
	spend thoughtlessly; throw away
	dispose of