Shirabe
お互い に
English jmdict
1
adverb (fukushi) polite (teineigo) language mutually;with each other;reciprocally;together;both
See also: 互いに (たがいに)
ジョンとメアリーはお互いに愛し合っていました。
John and Mary loved each other.
Other forms 御互いに 【おたがいに】 (search-only kanji form)

互いたがい

Common Noun Noun
English jmdict
1
noun (common) (futsuumeishi)nouns which may take the genitive case particle 'no' each other;one another
See also: お互い (おたがい)
結婚は２人が互いを理解し合えばすばらしいものとなりうる。
Marriage can be a wonderful thing if two people understand each other.