operational vs operable

operational and operable both are adjectives.

Word	Noun	Adjective	Verb	Adverb
operational	No	Yes	No	No
operable	No	Yes	No	No

As adjectives, operational and operable are synonyms defined as:

Other synonyms of operational include functional, usable, useable.

operational (adjective)	operable (adjective)
(military) of or intended for or involved in military operations	capable of being treated by surgical operation
pertaining to a process or series of actions for achieving a result	usable for a specific purpose
being in effect or operation	fit or ready for use or service
fit or ready for use or service