sentimentalisation vs romanticisation

sentimentalisation and romanticisation both are nouns.

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

As nouns, sentimentalisation and romanticisation are synonyms defined as:

sentimentalisation and romanticisation: the act of indulging in sentiment

Other synonyms of sentimentalisation include romanticization, sentimentalization.

sentimentalisation (noun)	romanticisation (noun)
the act of indulging in sentiment	the act of indulging in sentiment