retarding, stifling, undermining, slowing, stalling, hamstringing, cripple, constraining, retardation, flattening, calcifying, breakneck, fueling, smothering, hamper, fostering, bastardizing, dooms, crimping, headstands, strangling, denting, cheapening, suckering, hurt, halting, curb, saps, spur, unhinging, malnourishment, traumatism, pinching, infecting, undercutting, cheerleading, detriment, shackling, strangulating, neuromotor, accentuation, atrophying, paralyzing, tarnishing, malnutrition, stultification, undernourishment, parasitism, upstroke, ratoon, cankers, constricting, procreating, overrating, timidness, overexcitement, rickets, miring, leaf beetle, ectodermal, interneuron, wasting, hindrance, dutch elm fungus, swamping, sprouting, pubertal, clogging, regress, maiming, overfeeding, entrenching, throttling, harms, lessening, overshadowing, dribbling, viroid, anabolism, impediment, shriveling, deadening, dystocia, marasmus, beleaguering, locomotor, incoordination, productiveness, depravation, isometric exercise, thwarting, cambium, hobble, sunscald, weening, overstraining, downspin, chlorosis, engendering, unbalance, sertoli cell, fusiform, deterioration, masculinization, blunting, disability, weakening, crippling, decline, disorientation, impairment, impoverishment, restriction, shrinkage, unsteadiness, blurring, curtailment, depletion, diminution

spin, tailspin

cretinism, etiolate, etiolation, onion yellow-dwarf virus, potato yellow-dwarf virus, yellow dwarf

flight, flying

acrobatics, aerobatics, stunt flying