cultivate vs further

cultivate is not an adjective while further is an adjective.

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

As verbs, cultivate and further are synonyms defined as:

Other synonyms of cultivate include foster.

As verbs, further is a hypernym of cultivate; that is, further is a word with a broader meaning than cultivate:

Other hypernyms of cultivate include advance, boost, encourage, promote.

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

cultivate (verb)	further (verb)
adapt (a wild plant or unclaimed land) to the environment	contribute to the progress or growth of
prepare for crops	promote the growth of
teach or refine to be discriminative in taste or judgment
promote the growth of

cultivate (adverb)	further (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