further vs help

further is not a noun while help is a noun.

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

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

Other hyponyms of further include connive at, wink at, cultivate, foster, further, spur, carry, feed, conduce, contribute, lead.

further (noun)	help (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

further (adjective)	help (adjective)
more distant in especially degree

further (verb)	help (verb)
contribute to the progress or growth of	improve the condition of
promote the growth of	improve; change for the 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

further (adverb)	help (adverb)
to or at a greater distance in time or space (`farther' is used more frequently than `further' in this physical sense)
to or at a greater extent or degree or a more advanced stage (`further' is used more often than `farther' in this abstract sense)
in addition or furthermore