broadcast vs vulgarise

broadcast is a noun but vulgarise is not a noun.

Word	Noun	Adjective	Verb	Adverb
broadcast	Yes	No	Yes	No
vulgarise	No	No	Yes	No

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

broadcast: cause to become widely known
vulgarise: cater to popular taste to make popular and present to the general public; bring into general or common use

Other hyponyms of broadcast include podcast, sow, generalise, generalize, popularise, popularize, vulgarize, carry, run.

broadcast (noun)	vulgarise (noun)
message that is transmitted by radio or television
a radio or television show

broadcast (verb)	vulgarise (verb)
cause to become widely known	act in a vulgar manner
broadcast over the airwaves, as in radio or television	debase and make vulgar
sow over a wide area, especially by hand	cater to popular taste to make popular and present to the general public; bring into general or common use