Compounds of 足る

• 足る
  (v5r,vi) to be sufficient
  to be enough
  to be worthy of
  (P)
• 事足る
  (v5r,vi) to suffice
  to serve the purpose
  to be satisfied
• 飽足る
  (v5r,vi) to be satisfied
• 飽き足る
  (v5r,vi) to be satisfied
• 足るを知る
  (exp) to know one has enough
  to be satisfied with one's lot in life