procrastinate vs shillyshally

procrastinate is not a noun while shillyshally is a noun.

Word	Noun	Adjective	Verb	Adverb
procrastinate	No	No	Yes	No
shillyshally	Yes	No	Yes	No

As verbs, procrastinate and shillyshally are synonyms defined as:

Other synonyms of procrastinate include dilly-dally, dillydally, drag one's feet, drag one's heels, stall.

procrastinate (noun)	shillyshally (noun)
	the act of procrastinating; putting off or delaying or deferring an action to a later time

procrastinate (verb)	shillyshally (verb)
postpone doing what one should be doing	be uncertain and vague
postpone or delay needlessly	postpone doing what one should be doing