wigwag vs brandish

wigwag is not a noun while brandish is a noun.

Word	Noun	Adjective	Verb	Adverb
wigwag	No	No	Yes	No
brandish	Yes	No	Yes	No

As verbs, brandish is a hypernym of wigwag; that is, brandish is a word with a broader meaning than wigwag:

wigwag: send a signal by waving a flag or a light according to a certain code
brandish: move or swing back and forth

Other hypernyms of wigwag include flourish, wave.

wigwag (noun)	brandish (noun)
	the act of waving

wigwag (verb)	brandish (verb)
signal by or as if by a flag or light waved according to a code	move or swing back and forth
send a signal by waving a flag or a light according to a certain code	exhibit aggressively