romanticisation vs idealisation

romanticisation and idealisation both are nouns.

Word	Noun	Adjective	Verb	Adverb
romanticisation	Yes	No	No	No
idealisation	Yes	No	No	No

As nouns, idealisation is a hypernym of romanticisation; that is, idealisation is a word with a broader meaning than romanticisation:

Other hypernyms of romanticisation include glorification, idealization.

romanticisation (noun)	idealisation (noun)
the act of indulging in sentiment	a portrayal of something as ideal
	something that exists only as an idea
	(psychiatry) a defense mechanism that splits something you are ambivalent about into two representations--one good and one bad