sentimentality vs mushiness

sentimentality and mushiness both are nouns.

Word	Noun	Adjective	Verb	Adverb
sentimentality	Yes	No	No	No
mushiness	Yes	No	No	No

As nouns, sentimentality and mushiness are synonyms defined as:

Other synonyms of sentimentality include drippiness, mawkishness, sloppiness, soupiness.

sentimentality (noun)	mushiness (noun)
falsely emotional in a maudlin way	a mushy pulpy softness
extravagant or affected feeling or emotion	falsely emotional in a maudlin way