cunctator vs procrastinator

cunctator and procrastinator both are nouns.

Word	Noun	Adjective	Verb	Adverb
cunctator	Yes	No	No	No
procrastinator	Yes	No	No	No

As nouns, cunctator and procrastinator are synonyms defined as:

cunctator and procrastinator: someone who postpones work (especially out of laziness or habitual carelessness)

Other synonyms of cunctator include postponer.

cunctator (noun)	procrastinator (noun)
someone who postpones work (especially out of laziness or habitual carelessness)	someone who postpones work (especially out of laziness or habitual carelessness)