shillyshally vs procrastinate

shillyshally is a noun but procrastinate is not a noun.

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

As verbs, shillyshally and procrastinate are synonyms defined as:

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

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

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