“Sexual intercourse” in Japanese
Short answer
Sexual intercourse in Japanese is “性交” (seikou). Full meaning: sexual intercourse.
Other ways to say “Sexual intercourse” in Japanese
交接
kousetsu sexual intercourse
情交
joukou sexual intercourse, sexual liaison, intimacy
和姦
wakan (consensual) sexual intercourse
ぼぼ
bobo pussy (i.e. female genitals); sexual intercourse
閨事
neyagoto sexual intercourse, lovemaking
夜の営み
yorunoitonami sexual intercourse, sex
本番行為
honbankoui sexual intercourse (esp. with a prostitute), actual sex (in movies, etc.)
房事
bouji bedroom activity (of a married couple), sexual intercourse
セックス
sekkusu sex, sexual intercourse; (one's) sex, gender
交わり
majiwari acquaintance, relations, fellowship; sexual intercourse; intersection
性行為
seikoui sexual act, sexual intercourse
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