spectator , conspicuous , perspective

　　37) spir (breath) inspire, inspiration, spirit

　　38) tract (to draw) tractor, attract, protract, contract, abstract, extract, distract

　　39) urb (city) urban, suburb, suburban

　　40) vac (empty) vacant, vacation, vacuum

　　41) vit (life) vital, vitality, vitamin, vitalize

　　42) viv (to live) survive, survival, survivor, revival, vivid, vivacity

　　4. Compounds

　　breakfast, brunch, businessman,

dragonfly, headmaster, headquarters, history, mankind, masterpiece, person, sit-in, backbone, downsize, lifestyle, lockout, newsletter, scapegoat, signpost, smallpox, spymaster, stakeholder, standstill, stockpile, trustworthy

　　Happiness is nearly always a rebound from hard work.