Headwork, Hole, Honeycomb, Housebreaking, Impale, Implant, Improve, Improvement, Indoctrinate, Inspection, Instruct, Lance, Lower, Mine, Needle, Nib, Nurse, Nurture, Nurturing, Penetrate, Perforate, Perusal, Peruse, Pierce, Pink, Plant, Point, Pot, Practice, Preparation, Prepare, Prick, Prickle, Procedure, Punch, Puncture, Quarry, Raise, Raising, Read, Reading, Ready, Readying, Ream, Rear, Rearing, Rehearsal, Rehearse, Repetition, Reset, Review, Riddle, Rule, Sap, School, Scoop, Scrabble, Scrape, Scratch, Seed, Set, Shovel, Sink, Skewer, Sow, Sop, Accustom, Application, Apprentice, Apprenticeship, Athletics, Auger, Bed, Bit, Bite, Bone, Bore, Borer, Break, Breaking, Breather, Breed, Breeding, Broach, Broadcast, Burr, Burrow, Coach, Con, Condition, Conditioning, Constitutional, Contemplate, Contemplation, Corkscrew, Cram, Cramming, Cultivate, Cultivation, Cusp, Deepen, Delve, Depress, Develop, Development, Dig, Discipline, Disseminate, Dive, Dredge, Drive, Examine, Excavate, Exercise, Exercising, Fit, Fix, Forest, Form, Foster, Fostering, Furrow, Gimlet, Gore, Gouge, Grind, Grinding, Groom, Grooming, Groove, Grub, Gymnastics, Habituate, Spade, Spear, Spike, Spit, Stab, Stick, Sting, Stretch, Study, Studying, Subject, Swot, Swotting, Tap, Teach, Tip, Train, Training, Transplant, Trench, Trough, Tunnel, Tutor, Upbringing, Vet, Workout, Yoga