Compounds of ほほ

• ほほ笑み
  (n) smile
• ほほ笑む
  (v5m,vi) to smile
• のほほんと
  (adv) (on-mim) nonchalantly
  without a care
• ほほえみ返す
  (v5s) to smile back (at a person)
  to answer someone's smile