membership invasion invader definition allowance helper, researcher assistance intelligence appreciation editor edition visitor impression distance winner hostility censorship resolution difference lawyer possibility revision performer performance beginner relation relationship persistence stability explanation preference collision actor companionship action activity sailor innocence importance supervisor supervision survivor honesty leadership poverty significance kindness arrival achievement dependence interference awareness scientist mitigation protection approval endurance variety revival disagreement equality absence weakness journalist entrance population refusal reference capability movement, happiness environmentalist appearance survival difficulty depletion government biologist ignorance whiteness coexistence requirement pollution chemist majority producer terrorist, decision librarian politician sponsorship politeness inspector resentment treatment tourist artist swimmer citizenship, freedom explosion realist, kingdom championship argument, novelist, laziness, academician, illness, development conclusion, partnership, educator, cyclist, magician discussion, sickness, wisdom encouragement, runner ownership business boredom musician emission invention inventor, description evidence, internship governor hardship (in/dis)ability expression, sculptor, insurance, violence, safety viewer listener narration narrator division, assurance flexibility, acceptance inclusion, apprenticeship presence, presenter, presentation preparation, modesty, admission, admittance, disturbance, dictatorship programmer, silence, attraction, advisor, residence reality possession tolerance trainer punishment, creativity creation, madness, sweetness proposal, existence popularity renewal enjoyment, operation collection payment receptionist attendance correspondence resemblance, loneliness direction, competence, disposal, responsibility, annoyance education, economist attentiveness, personality, removal, resistance, entertainment, specialist (im)patience, production, rehearsal, maintenance, information, selfishness confidence, uncertainty materialist, excitement dentist childhood darkness pianist solution competition competitor, diversion television, richness, advertisement electrician speaker reaction, reactor brotherhood provision pessimist, fitness artist, creation, creator, guardian (un)employment greatness extension likelihood historian investigation investigator, arrangement activist sadness, confusion motherhood association, optician murderer neighbourhood comedian meteorologist