Compounds of お互い

• お互い
  (n) mutual
  reciprocal
  each other
• お互いに
  (adv) (pol) mutually
  with each other
  reciprocally
  together
  both
• お互い様
  (adj-na,n) we are of equal status in this regard
• お互いさま
  (adj-na,n) we are of equal status in this regard