Aim, Annoy, Appraise, Approach, Arbitrate, Aspire, Assay, Attempt, Bid, Bolt, Bother, Burden, Chance, Check, Clarify, Clear, Confirm, Crack, Criterion, Crucible, Crucify, Dab, Demonstrate, Determination, Distress, Effort, Engage, Essay, Examine, Experiment, Extract, Filter, Filtrate, Fling, Gambit, Go, Harass, Harrow, Hassle, Hear, Hope, Inspect, Irk, Jab, Judge, Leach, Lick, Load, Martyr, Move, Offer, Officiate, Oppress, Ordeal, Overload, Pain, Percolate, Pop, Probation, Proof, Prove, Purify, Rack, Rectify, Referee, Refine, Research, Sample, Screen, Seek, Separate, Shot, Sieve, Sift, Slap, Stab, Stagger, Standard, Step, Strain, Stress, Strike, Strive, Striving, Stroke, Struggle, Sublimate, Sublime, Substantiate, Taste, Tentative, Test, Torment, Torture, Trial, Trouble, Umpire, Undertake, Undertaking, Validate, Venture, Verification, Verify, Vex, Weigh, Whack, Whirl, Winnow, Wring