elongated vs prolonged

elongated and prolonged both are adjectives.

Word	Noun	Adjective	Verb	Adverb
elongated	No	Yes	No	No
prolonged	No	Yes	No	No

As adjectives, elongated and prolonged are synonyms defined as:

Other synonyms of elongated include extended, lengthened.

elongated (adjective)	prolonged (adjective)
having notably more length than width; being long and slender	drawn out or made longer spatially
drawn out or made longer spatially	relatively long in duration; tediously protracted