backfield, fullbacks, linemen, tailback, quarterbacks, rushers, scatback, offense, formations, gasser, wildcat, wingback, prostyle, ballcarrier, air raid, halfbacks, pushrod, noseguard, signal caller, torsion bar, huddle, yardage, misdirection, pintle, safeties, razorback, scrimmage, receivers, gridiron, pigskin, arians, swather, stout, splitter, skelly, crankshaft, downfield, trochil, blitzing, defenses, piston, hydraulic pump, physicalness, triangle, midfield, breastbone, carburettor, clevis, linebacker, pushrods, stabilizer bar, swage, wide receiver, aerofoils, piston rod, scrambler, quickness, fender, hydraulic brakes, ironheads, windlass, hemi, playbook, midship, backs, monocoque, valance, moldboard, china closet, football, dihedral, gridder, jayhawk, cornhuskers, wickers, carburetors, stub axle, windup, driveshaft, trunnion, blitzer, wideout, reamer, sizz, creampuff, explosiveness, halves, rotor shaft, rollbar, sprocket, forkball, airfoils, dink, turbos, tailstock, helixes, transverse, curveball, shock absorber, hexapod, camshaft, stickum, hanger, hoop, tenon, cleat, pane, rudder, saucer, sieve, transom, zipper, arrowhead, cork, drum, fin, fork, funnel, fuselage, gourd, grate, handle

bird, fowl

furcula

wishing bone