ruffle vs ruffle up

ruffle is a noun but ruffle up is not a noun.

Word	Noun	Adjective	Verb	Adverb
ruffle	Yes	No	Yes	No
ruffle up	No	No	Yes	No

As verbs, ruffle and ruffle up are synonyms defined as:

Other synonyms of ruffle include mess up, rumple.

ruffle (noun)	ruffle up (noun)
a noisy fight
a high tight collar
a strip of pleated material used as a decoration or a trim

ruffle (verb)	ruffle up (verb)
pleat or gather into a ruffle	disturb the smoothness of
erect or fluff up
disturb the smoothness of
twitch or flutter
mix so as to make a random order or arrangement
trouble or vex
discompose
stir up (water) so as to form ripples
to walk with a lofty proud gait, often in an attempt to impress others