倶に[tomoni] together
倶楽部[kurabu] club
倶者[kusha] Buddhist sect originating in the seventh century
倶発[guhatsu] concurrence
不倶戴天[fugutaiten] cannot allow (oneself) to live (with someone) under the canopy of heaven

倶舎宗[kushashuu] Kusha Sect
倶梨伽羅紋々[kurikaramonmon] tattoo
倶する[gusuru] to accompany
倶伎羅[kukira] Asian koel (Eudynamys scolopacea)
声涙倶に下る[seiruitomonikudaru] to speak through one's tears