procrastinator vs cunctator

procrastinator and cunctator both are nouns.

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

As nouns, procrastinator and cunctator are synonyms defined as:

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

Other synonyms of procrastinator include postponer.

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