Here I accidentally found a couple of kanji - an even number of them - of the same kind !
So we would accept them as man and wife !
偶 and
彙
グウ ; たま and イ ; はりねずみ
http://jisho.org/kanji/details/偶 彙
The same kind ! What kind ?
LINK to 種
Yes - and the same !
LINK to 同