desire vs begrudge

desire is a noun but begrudge is not a noun.

Word	Noun	Adjective	Verb	Adverb
desire	Yes	No	Yes	No
begrudge	No	No	Yes	No

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

desire (noun)	begrudge (noun)
an inclination to want things
the feeling that accompanies an unsatisfied state
something that is desired

desire (verb)	begrudge (verb)
feel or have a desire for; want strongly	wish ill or allow unwillingly
express a desire for	be envious of; set one's heart on
expect and wish