economize vs save

economize is not a noun while save is a noun.

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

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

Other hypernyms of economize include preserve.

As verbs, economize and save are synonyms defined as:

Other synonyms of economize include economise.

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

economize (verb)	save (verb)
use cautiously and frugally	make unnecessary an expenditure or effort
spend sparingly, avoid the waste of	record data on a computer
	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