practicable vs viable

practicable and viable both are adjectives.

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

As adjectives, practicable and viable are synonyms defined as:

practicable and viable: capable of being done with means at hand and circumstances as they are

Other synonyms of practicable include executable, feasible, workable.

practicable (adjective)	viable (adjective)
capable of being done with means at hand and circumstances as they are	capable of life or normal growth and development
usable for a specific purpose	capable of being done with means at hand and circumstances as they are