懸念【けねん】
worry, fear, anxiety, concern
懸命【けんめい】
eager, earnest, strenuous, fervent, assiduous, with utmost effort
一生懸命【いっしょうけんめい】
very hard, with utmost effort, as hard as one can, with all one's might, for dear life, eagerly, desperately
懸案【けんあん】
pending question, unresolved problem
懸賞【けんしょう】
offering a prize, prize competition, prize, reward
懸垂【けんすい】
pull-up (exercise), chin-up, chinning, suspension, dangling, hanging