stretchable vs stretchy

stretchable and stretchy both are adjectives.

Word	Noun	Adjective	Verb	Adverb
stretchable	No	Yes	No	No
stretchy	No	Yes	No	No

As adjectives, stretchable and stretchy are synonyms defined as:

stretchable and stretchy: capable of being easily stretched and resuming former size or shape

stretchable (adjective)	stretchy (adjective)
capable of being easily stretched and resuming former size or shape	capable of being easily stretched and resuming former size or shape