파혼: 파혼 [破婚] breaking off a marriage engagement; (a) breach of promise of marriage. ~하다 break the engagement; break (off) engagement . 나는 ~했다 I cancel(l)ed[broke off] our engagement.
파헤치다: 파헤치다 (땅을) dig[turn] up ; dig over; tear up ; rake up ; [깊이 생각·검토하다] investigate; delve[prove] into 문제를 근본부터 ~ attack a problem at the grass-roots. 무덤을 ~ violate[open] a grave / break a grave open