extended vs elongated

extended and elongated both are adjectives.

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

As adjectives, extended and elongated are synonyms defined as:

Other synonyms of extended include lengthened, prolonged.

extended (adjective)	elongated (adjective)
fully extended or stretched forth	having notably more length than width; being long and slender
beyond the literal or primary sense	drawn out or made longer spatially
large in spatial extent or range or scope or quantity
drawn out or made longer spatially
relatively long in duration; tediously protracted