#cross #crux #cut across #backcross #get over #crown of thorns #ford #hybridizing #bad-tempered #pass over #get across #cut through #pass #christian cross #border #ill-natured #wide #hybrid #path #hybridize #interbreed #thwartwise #hybridization #thwart #queer #crabbed #fussy #baffle #transversal #frustrate #crossbreeding #interbreeding #bilk #hybridisation #foil #scotch #sweep #grumpy #spoil #crabby #ill-tempered #rood #crisscross #intersect #crosswise #transverse #crucifix #gnissorc #track #genetic science