零し話[koboshibanashi] complaining
取零す[torikobosu] to lose an easy game
爪で拾って箕で零す[tsumedehirottemidekobosu] penny wise and pound foolish
零落れる[ochibureru] to be ruined
零す[kobosu] to spill

零れる[koboreru] to spill
零下[reika] below zero
零行列[reigyouretsu] zero matrix
零細[reisai] insignificant