sappy vs sentimental

sappy and sentimental both are adjectives.

Word	Noun	Adjective	Verb	Adverb
sappy	No	Yes	No	No
sentimental	No	Yes	No	No

As adjectives, sappy and sentimental are synonyms defined as:

Other synonyms of sappy include bathetic, drippy, hokey, kitschy, maudlin, mawkish, mushy, schmaltzy, schmalzy, slushy, soppy, soupy.

sappy (adjective)	sentimental (adjective)
effusively or insincerely emotional	effusively or insincerely emotional
abounding in sap	given to or marked by sentiment or sentimentality