regularise vs district

regularise is not a noun while district is a noun.

Word	Noun	Adjective	Verb	Adverb
regularise	No	No	Yes	No
district	Yes	No	Yes	No

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

regularise: bring into conformity with rules or principles or usage; impose regulations
district: regulate housing in; of certain areas of towns

Other hyponyms of regularise include standardise, standardize, zone.

regularise (noun)	district (noun)
	a region marked off for administrative or other purposes

regularise (verb)	district (verb)
make regular or more regular	regulate housing in; of certain areas of towns
bring into conformity with rules or principles or usage; impose regulations