1. 〔親類〕a relative, a relation;〔密接な関係〕a close relation;〔類似性〕affinity
  1. 類縁関係a close relation [connection]
    • この二派の間には深い類縁関係がある
    • These two schools are closely connected with each other./There is a close relationship between these two sects.
  1. 類縁体an analog