HackerVoca

fault : blemish, flaw, shortcoming
favor : kindness, good-will
fear : apprehension noun

1 [countable, uncountable] anxiety about the future, especially the worry that you will have to deal with something unpleasant or bad: a natural apprehension about being in hospital

2 [uncountable] the act of apprehending someone; arrest2

3 [uncountable] old use understanding: our apprehension of the nature of God

, dread, terror, fright, horror, panic.
feasible adjective
a plan, idea, or method that is feasible is possible and is likely to work: Your plan is not economically feasible.
feasibly adverb
feasibility noun [uncountable]: a feasibility study