economize vs husband

economize is not a noun while husband is a noun.

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

As verbs, economize and husband are synonyms defined as:

Other synonyms of economize include conserve, economise.

economize (noun)	husband (noun)
	a married man; a woman's partner in marriage

economize (verb)	husband (verb)
use cautiously and frugally	use cautiously and frugally
spend sparingly, avoid the waste of