真婿[manko] vagina
花婿[hanamuko] bridegroom
乞婿[koimuko] bridegroom who is loved by his bride
婿選び[mukoerabi] search for a husband for one's daughter
婿養子[mukoyoushi] son-in-law taken (adopted) into family

娘婿[musumemuko] adopted son-in-law
令婿[reisei] your son-in-law
入婿[irimuko] man who takes his wife's family name and marries into her family
婿入り[mukoiri] being adopted into the family of one's bride