cultivable vs cultivatable

cultivable and cultivatable both are adjectives.

Word	Noun	Adjective	Verb	Adverb
cultivable	No	Yes	No	No
cultivatable	No	Yes	No	No

As adjectives, cultivable and cultivatable are synonyms defined as:

cultivable and cultivatable: (of farmland) capable of being farmed productively

Other synonyms of cultivable include arable, tillable.

cultivable (adjective)	cultivatable (adjective)
(of farmland) capable of being farmed productively	(of farmland) capable of being farmed productively