Feasibility vs Viability

fea.si.ble

- adjective

1. capable of being done, effected or accomplished : a feasible plan.

2.probable; likely : a feasible theory.

3.suitable: a road feasible for travel.

usually used in the context of do-ability, possibility

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vi.a.ble

- adjective

1.capable of living

2.practicable; workable: a viable alternative

3.having the ability to grow, expand, develop, etc: a new and viable country.

usually used in a financial or economic context