| fortuity(noun, action, cause, thing, condition) |
| frustration(noun, trouble, worry, difficulty, anxiety) |
| fundamental(concern, demand, need, standard, essential) |
| godsend(need, essential, requirement, prerequisite, essentiality) |
| hang-up(noun, force, fix, difficulty, mess) |
| happening(noun, action, cause, thing, condition) |
| hard knocks(noun, expression, trouble, difficulty, drag) |
| hard time(noun, expression, trouble, difficulty, drag) |
| hardness(noun, difficulty, toughness) |
| hazard(noun, trouble, ruin, harm, difficulty) |
| height(noun, trouble, change, mess, situation) |
| high pressure |
| hindrance(noun, trouble, difficulty, pain, struggle) |
| hinge |
| hitch(noun, trouble, difficulty, pain, struggle) |
| hole(noun, fix, difficulty, mess, bind) |
| holy mess(noun, expression, trouble, difficulty, want) |
| hot potato(noun, expression, trouble, change, uncertainty) |
| hot spot(noun, expression, fix, bind, predicament) |
| hour of decision(noun, expression, idiom, trouble, change) |