Foundation, Gambit, Game, Games, Go, Grief, Groundwork, Gymkhana, Harassment, Hardship, Harrying, Hassle, Headache, Hearing, Heartbreak, Heuristic, Honors, Hounding, Inquest, Inquiry, Inquisition, Irritant, Irritation, Joust, Lawsuit, Lick, Litigation, Manufacture, Match, Matching, Meet, Meeting, Misery, Misfortune, Molestation, Move, Nuisance, Number, Offer, Oral, Ordeal, Persecution, Pest, Pilot, Plague, Planning, Plight, Plural, Pragmatism, Predicament, Preliminaries, Preliminary, Prep, Preparation, Preparing, Pressure, Pretreatment, Probation, Probationary, Probative, Problem, Processing, Proof, Proving, Provision, Provisional, Quiz, Rally, Readying, Resolute, Rigor, Sample, Shot, Singular, Sorrow, Olympics, Adversity, Affliction, Aggravation, Agony, Anguish, Annoyance, Approach, Arrangement, Assay, Attempt, Audition, Bane, Bedevilment, Bid, Blight, Bore, Bother, Bout, Briefing, Calvary, Care, Check, Checking, Complication, Conditional, Contest, Control, Crack, Criterion, Cross, Crucible, Curse, Deltoid, Derby, Determination, Determined, Devilment, Difficulties, Difficulty, Distress, Dogging, Drag, Dual, Effort, Empirical, Empiricism, Encounter, Engagement, Enquiry, Equipment, Essay, Exam, Examination, Exasperation, Experiment, Experimental, Experimentation, Exploratory, Fight, Final, Fixing, Fling, Spadework, Stab, Standard, Step, Stress, Stroke, Suffering, Tentative, Test, Testing, Three, Tilt, Tournament, Tourney, Training, Treatment, Triadic, Triangular, Tribulation, Triple, Triplex, Trouble, Troubles, Try, Trying, Undertaking, Venture, Venturesome, Verification, Vexation, Vicissitude, Visitation, Viva, Whack, Whirl, Willing, Woe, Worry, Written