Noun:
marruskadura, igurtzi, urradura, igurzten, marruskatzen, artzaintza, hutsune, desadostasuna, aldea, bestetasuna, perkusioa, gatazka, erliebe, talka, inpaktu, lehiaketa, polemika, antagonismo.
I'm detecting a little FRICTION between you two,
...to static FRICTION between the tire and the road to zero.
But not so deep as to introduce a new source of FRICTION."
I know that money can be a source of FRICTION