Compounds of あい

• 和気あいあい
  (adj-na,adj-no,adj-t,adv-to) harmonious
  peaceful
  congenial
• ふれあい動物園
  (n) petting zoo
• 知らないあいだに
  (exp,adv) at some time, without being noticed
  before one knew
  before one realised
• あいた口が塞がらぬ
  (exp) to be surprising
  to be shocking
  to be jaw-dropping
• あいた口も塞がらぬ
  (v5n) to be surprising
  to be shocking
  to be jaw-dropping
• あいまいな内容モデル
  (n) (comp) ambiguous content model