交差 (こうさ)crossing; intersection; (genetic) crossing over

crossing; intersectionnoun (common) (futsuumeishi), noun or participle which takes the aux. verb suru
(genetic) crossing overnoun (common) (futsuumeishi), noun or participle which takes the aux. verb suru

交差, its kanji, and other words that share them.Open this graph

Kanji in 交差

交流こうりゅうexchange (e.g. cultural); interchange
交渉こうしょうnegotiations; discussions
外交がいこうdiplomacy
交換こうかんexchange; interchange
交通こうつうtraffic; transportation
交代こうたいalternation; change
国交こっこうdiplomatic relations
交付こうふdelivery; issuance
差さdifference; variation
差別さべつdistinction; differentiation
格差かくさqualitative difference; disparity
偏差値へんさちdeviation value (usu. scaled to mean of 50, standard deviation of 10, and often used for academic grades); deviation
差益さえきmarginal profits
大差たいさgreat difference; big difference
差し止めさしとめprohibition; ban
交差点こうさてんcrossing; intersection

See how 交差 connects to the rest of Japanese.