ざっこん【雑婚】
(a system of) communal marriage [sexual relationships]
しあわせなけっこん【幸せな結婚】
a happy marriage
しごのけっこん【死後の結婚】
posthumous marriage
しゃないけっこん【社内結婚】
an intra-office marriage; a marriage between two employees (of the same company)
しゅうだんけっこん【集団結婚】
((hold)) a group [mass] wedding
しょくばけっこん【職場結婚】
a marriage between coworkers彼は職場結婚だHe married a colleague.
しょこん【初婚】
one's first marriage40歳代で結婚したが初婚だったHe (got) married for the first time when he was in his forties.
しんこん【新婚】
新婚の夫婦a newly married couple/《米口》 newlywedsカナダに新婚旅行に行くgo to Canada on a honeymoon/honeymoon in Canada
しんぜんけっこん【神前結婚】
a Shinto wedding
じじつこん【事実婚】
a de facto marriage; a common-law marriageあの人たちは事実婚だThey live together like a married couple.