Double Couple

A shy cry is a meek shriek, and a fast mast is a quick stick. Then again, a rum bum is a queer rear. If to dine fine is to eat neat, then to feign pain is to fake ache. A tight fight is a stiff tiff -- different from a bright fight, which is a flashing clashing. Whereas a wide stride in a straight gait makes a racing pacing, a rose nose can detect a pink stink. 
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[h/t to Sriram for the title.]