help vs improve

help is a noun but improve is not a noun.

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

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

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

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

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

help (noun)	improve (noun)
the activity of contributing to the fulfillment of a need or furtherance of an effort or purpose
a person or thing that is a resource that helps make something easier or possible to do
a means of serving
a person who contributes to the fulfillment of a need or furtherance of an effort or purpose

help (verb)	improve (verb)
improve the condition of	get better
improve; change for the better	to make better
help to some food; help with food or drink
take or use
give help or assistance; be of service
contribute to the furtherance of
be of use
abstain from doing; always used with a negative