prissy vs overnice

prissy and overnice both are adjectives.

Word	Noun	Adjective	Verb	Adverb
prissy	No	Yes	No	No
overnice	No	Yes	No	No

As adjectives, prissy and overnice are synonyms defined as:

Other synonyms of prissy include dainty, nice, squeamish.

prissy (adjective)	overnice (adjective)
excessively fastidious and easily disgusted	excessively fastidious and easily disgusted
exaggeratedly proper