(n) work
efficacy
effective
(n,adj-no) right-handedness
right-hander
(n) eloquent person
mouthpiece
man of influence
mediator
middleman
(P)
(n) left-handedness
sake drinker
left-hander
(P)
(n) skill
mastery
(n) influential
man of influence
(n) judgement
judgment
connoisseur
(n) one's dominant hand
(n) wine or sake tasting
(n) effective or important point
(n) one's dominant foot
(n) effect
virtue
efficacy
impression
(P)
(n) one's dominant arm
(adj-no,adj-na) (1) able
capable
competent
(n) (2) able person
person of ability
(n,adj-no) ambidexter
ambidexterity
(exp) the way one talks
one's way of speaking