gad vs ramble

gad and ramble both are nouns.

Word	Noun	Adjective	Verb	Adverb
gad	Yes	No	Yes	No
ramble	Yes	No	Yes	No

As verbs, ramble is a hypernym of gad; that is, ramble is a word with a broader meaning than gad:

gad: wander aimlessly in search of pleasure
ramble: move about aimlessly or without any destination, often in search of food or employment

Other hypernyms of gad include cast, drift, range, roam, roll, rove, stray, swan, tramp, vagabond, wander.

gad (noun)	ramble (noun)
a sharp prod fixed to a rider's heel and used to urge a horse onward	an aimless amble on a winding course

gad (verb)	ramble (verb)
wander aimlessly in search of pleasure	move about aimlessly or without any destination, often in search of food or employment
	continue talking or writing in a desultory manner