Word

交友

こうゆう
friend; companion
Word

交配

こうはい
mating; crossbreeding; cross-fertilization; cross-fertilisation
Word

社交

しゃこう
social life; social intercourse
Word

国交

こっこう
diplomatic relations
Word

交響曲

こうきょうきょく
symphony
Word

交わる

まじわる
to cross; to intersect; to join; to meet; to associate with; to mingle with; to consort with; to have a sexual relationship; to copulate
Word

性交

せいこう
sexual intercourse
Word

直交

ちょっこう
orthogonal
Word

交尾

こうび
copulation (in animals)
Word

交信

こうしん
telecommunications; correspondence