Now or nevermore - again
Crazy - sane, wise - insane
Complex - plain, useful - vain
Potion - bane, give - retain
Bus and train, heart and brain
Rocket - plane, road - lane
Tail - mane, England - Spain
Minor - main, smart - inane
Lose and gain, rise and wane
Burst - sustain, lose - obtain
Vote - abstain, fail - attain
Free - constrain, act - refrain
Sun and rain, fill and drain
Hostile - fain, loose - restrain
Praise - complain, ask - explain
Leave - remain, pleasure - pain