marriage
婚 centers on the formal union of marriage, specifically the act of marrying or the state of being married.
婚 combines 女 (woman) with 昏, which likely contributes the sound and originally meant dusk, the traditional time for wedding ceremonies.
A woman 女 and the dusk-like shape 昏 come together: picture a wedding ceremony held at dusk, the traditional time for marriage.
For コン, imagine a con artist pretending to be a bride at a wedding: con -> コン, and the woman 女 is part of the marriage scheme.
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marriage
marriage ceremony; wedding; nuptials
divorce
sexual intercourse
marriage
engagement; betrothal
newly-wed; newly married
married
marriage; matrimony
second marriage; remarriage
unmarried; not yet married
marriage proposal; courtship
marriage ceremony; wedding
important ceremonial occasions in family relationships
premarital; prenuptial
marriage; wedding
late marriage
marriageable age; chance of marriage
bigamy
wedding ceremony