propagate vs vulgarize

propagate and vulgarize both are verbs.

Word	Noun	Adjective	Verb	Adverb
propagate	No	No	Yes	No
vulgarize	No	No	Yes	No

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

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

Other hyponyms of propagate include podcast, sow, generalise, generalize, popularise, popularize, vulgarise, carry, run.

propagate (verb)	vulgarize (verb)
multiply sexually or asexually	act in a vulgar manner
cause to propagate, as by grafting or layering	debase and make vulgar
cause to become widely known	cater to popular taste to make popular and present to the general public; bring into general or common use
transmit
transmit or cause to broaden or spread
become distributed or widespread
travel through the air
transmit from one generation to the next