[たたく(P);はたく, tataku (P); hataku] (v5k, vt) (1) to strike; to clap; to knock; to dust; to beat; (2) (たたく only) to play drums; (3) (たたく only) to abuse; to flame (e.g. on the Internet); to insult; (4) (はたく only) to use up money; (P)#19236
[ついえる, tsuieru] (v1, vi) (1) to use up (one's savings); (2) to be wasted (time, effort, etc); (3) (esp. 潰える) to fall apart; to become useless; (4) (arch) (esp. 潰える) to be wiped out (in battle); (5) (arch) (esp. 潰える) to fall apart (one's body or health)