belie vs sentimentalize

belie and sentimentalize both are verbs.

Word	Noun	Adjective	Verb	Adverb
belie	No	No	Yes	No
sentimentalize	No	No	Yes	No

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

belie: represent falsely
sentimentalize: look at with sentimentality or turn into an object of sentiment

Other hyponyms of belie include sentimentalise, distort, falsify, garble, warp, affect, dissemble, feign, pretend, sham.

belie (verb)	sentimentalize (verb)
represent falsely	act in a sentimental way or indulge in sentimental thoughts or expression
be in contradiction with	look at with sentimentality or turn into an object of sentiment
	make (someone or something) sentimental or imbue with sentimental qualities