Compounds of 止す

• 止す
  (suf,v5s) (after the -masu stem of a verb) to stop in the midst of
  to leave undone
• 止す
  (v5s,vt) to cease
  to abolish
  to resign
  to give up
  (P)
• 言止す
  (v5s) to break off (in middle of sentence)
• 言い止す
  (v5s) to break off (in middle of sentence)
• 読み止す
  (v5s,vt) to leave half-read or unfinished