Rec-on-cile, cymmodi; heddychu

Re-cord-er, cofiadur, cofrestrydd

Re-cre-ate, adfywio, adloni

Rect-an-gle, unionongl, cyfongl

Rec-ti-fy, unioni, diwygio; ad-ddystyllio

Rec-ti-tude, uniondeb, uniawnedd

Rec-tor-y, personiaeth, Persondy

Re-cum-bent, gorweddol

Re-cur-rence, dychweliad, adrediad

Re-cur-rent, dychweliadol, adgyrchiol