perpetuation vs protraction

perpetuation and protraction both are nouns.

Word	Noun	Adjective	Verb	Adverb
perpetuation	Yes	No	No	No
protraction	Yes	No	No	No

As nouns, perpetuation and protraction are synonyms defined as:

Other synonyms of perpetuation include lengthening, prolongation.

perpetuation (noun)	protraction (noun)
the act of prolonging something	the act of prolonging something
	the consequence of being lengthened in duration