困らせる[komaraseru] to trouble with questions
困り果てる[komarihateru] to be greatly perplexed
困り者[komarimono] good-for-nothing
困り切る[komarikiru] to be greatly perplexed
困る[komaru] to be troubled

困窮[konkyuu] poverty
困苦[konku] privation
困難[konnan] difficulty
困惑[konwaku] bewilderment
困憊[konpai] exhaustion

倦憊[kenpai] extreme fatigue
困憊[konpai] exhaustion
疲労困憊[hiroukonpai] total exhaustion

熱疲憊[netsuhihai] heat exhaustion
疲憊[hihai] exhaustion