KEY: Work.
SYN: Exertion, effort, toil, labor, employment, performance,production, product, effect, result, composition, achievement,operation, is_sue, fruit.
ANT: Effortlessness, inertia, rest, inoperativeness, non-employment,nonperformance, non-production, abortion, miscarriage, frustration,neutralization, fruitlessness.

• Omit
• Omnipotent
• Omniscient
• One
• Oneness, [See UNITY]
• Onerous
• Only_\a
• Only, adv
• Onset, [See ATTACK]
• Onslaught, [See ATTACK]
• Onward
• Ooze
• Opaque, [See TRANSPARENT]
• Open_\a
• Opening
• Open_\r
• Operate
• Operation
• Operative
• Operose
• Opine
• Opinion
• Opinionative
• Opponent, [See ADVERSARY]
• Opportune