reform vs improve

reform is a noun but improve is not a noun.

Word	Noun	Adjective	Verb	Adverb
reform	Yes	No	Yes	No
improve	No	No	Yes	No

As verbs, improve is a hypernym of reform; that is, improve is a word with a broader meaning than reform:

reform: make changes for improvement in order to remove abuse and injustices
improve: to make better

Other hypernyms of reform include ameliorate, amend, better, meliorate.

As verbs, improve is a hypernym of reform; that is, improve is a word with a broader meaning than reform:

Other hypernyms of reform include ameliorate, better, meliorate.

As verbs, improve is a hypernym of reform; that is, improve is a word with a broader meaning than reform:

reform: improve by alteration or correction of errors or defects and put into a better condition
improve: to make better

Other hypernyms of reform include ameliorate, amend, better, meliorate.

reform (noun)	improve (noun)
a change for the better as a result of correcting abuses
a campaign aimed to correct abuses or malpractices
self-improvement in behavior or morals by abandoning some vice

reform (verb)	improve (verb)
make changes for improvement in order to remove abuse and injustices	get better
break up the molecules of	to make better
produce by cracking
change for the better
bring, lead, or force to abandon a wrong or evil course of life, conduct, and adopt a right one
improve by alteration or correction of errors or defects and put into a better condition