save vs expend

save is a noun but expend is not a noun.

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

As verbs, expend is a hypernym of save; that is, expend is a word with a broader meaning than save:

Other hypernyms of save include drop, spend.

save (noun)	expend (noun)
(sports) the act of preventing the opposition from scoring

save (verb)	expend (verb)
make unnecessary an expenditure or effort	use up (resources or materials)
record data on a computer	pay out
to keep up and reserve for personal or special use
accumulate money for future use
spend less; buy at a reduced price
retain rights to
spend sparingly, avoid the waste of
bring into safety
save from ruin, destruction, or harm
save from sins
refrain from harming