牛は牛連れ馬は馬連れ

うしはうしづれうまはうまづれushihaushizureumahaumazure

expression

  1. birds of a feather flock together
  2. don't mix your horses with your cows

Kanji in this word

Study it in Yanamino

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences