Compounds of 増す

• 増す
  (v5s,vi,vt) to increase
  to grow
  (P)
• 弥増す
  (v5s,vi) to increase (all the more)
• いや増す
  (v5s,vi) to increase (all the more)
• 建て増す
  (v5s,vt) to extend (building)
  to build on
• 信用が増す
  (exp) to gain more confidence