operable vs practicable

operable and practicable both are adjectives.

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

As adjectives, operable and practicable are synonyms defined as:

operable (adjective)	practicable (adjective)
capable of being treated by surgical operation	capable of being done with means at hand and circumstances as they are
usable for a specific purpose	usable for a specific purpose
fit or ready for use or service