dainty vs nice

dainty is a noun but nice is not a noun.

Word	Noun	Adjective	Verb	Adverb
dainty	Yes	Yes	No	No
nice	No	Yes	No	No

As adjectives, dainty and nice are synonyms defined as:

Other synonyms of dainty include overnice, prissy, squeamish.

dainty (noun)	nice (noun)
something considered choice to eat

dainty (adjective)	nice (adjective)
delicately beautiful	pleasant or pleasing or agreeable in nature or appearance
excessively fastidious and easily disgusted	excessively fastidious and easily disgusted
especially pleasing to the taste	exhibiting courtesy and politeness
	socially or conventionally correct; refined or virtuous
	done with delicacy and skill