urge vs itchy feet

urge and itchy feet both are nouns.

Word	Noun	Adjective	Verb	Adverb
urge	Yes	No	Yes	No
itchy feet	Yes	No	No	No

As nouns, itchy feet is a hyponym of urge; that is, itchy feet is a word with a more specific, narrower meaning than urge:

Other hyponyms of urge include abience, adience, death instinct, death wish, Thanatos, wanderlust.

urge (noun)	itchy feet (noun)
a strong restless desire	very strong or irresistible impulse to travel
an instinctive motive

urge (verb)	itchy feet (verb)
force or impel in an indicated direction
spur on or encourage especially by cheers and shouts
push for something