proportionate vs proportionable

proportionate and proportionable both are adjectives.

Word	Noun	Adjective	Verb	Adverb
proportionate	No	Yes	No	No
proportionable	No	Yes	No	No

proportionate (adjective)	proportionable (adjective)
being in due proportion	proportionate
exhibiting equivalence or correspondence among constituents of an entity or between different entities
agreeing in amount, magnitude, or degree