acting, active, adding, Atkins, axes, babbling, backing, battling, blackening, blacksmith, bragging, captive, chatting, clapping, cracking, crackling, dragging, fattening, flagging, flapping, flattening, grabbing, grappling, hacking, happening, lacking, lagging, lapping, lapses, maddening, mapping, matting, nagging, napkin, packing, padding, paddling, patting, racking, rapine, rattling, sacking, sagging, sapling, slapping, snapping, stabbing, straggling, strapping, tacking, tackling, tapping, taxes, taxing, tracking, trapping, wagging, waxes, waxing, wrapping

abstracting, adapting, adaptive, attacking, attracting, attractive, collapses, collapsing, combating, distracting, enacting, exacting, extracting, inactive, reacting, reactive, refractive, relapses, relapsing, relaxes, relaxing, subtracting, transacting, unflagging

counteracting, interacting, interactive, unattractive