popularisation vs vulgarisation

popularisation and vulgarisation both are nouns.

Word	Noun	Adjective	Verb	Adverb
popularisation	Yes	No	No	No
vulgarisation	Yes	No	No	No

As nouns, popularisation and vulgarisation are synonyms defined as:

popularisation and vulgarisation: the act of making something attractive to the general public

Other synonyms of popularisation include popularization, vulgarization.

popularisation (noun)	vulgarisation (noun)
the act of making something attractive to the general public	the act of making something attractive to the general public
an interpretation that easily understandable and acceptable	the act of rendering something coarse and unrefined