swan vs gad

swan and gad both are nouns.

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

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

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

Other hyponyms of swan include maunder, gallivant, jazz around.

swan (noun)	gad (noun)
stately heavy-bodied aquatic bird with very long neck and usually white plumage as adult	a sharp prod fixed to a rider's heel and used to urge a horse onward

swan (verb)	gad (verb)
to declare or affirm solemnly and formally as true	wander aimlessly in search of pleasure
move about aimlessly or without any destination, often in search of food or employment
sweep majestically