S: (v) cleave, split, rive (separate or cut with a tool, such as a sharp instrument) "cleave the bone"
S: (v) separate, part, split up, split, break, break up (discontinue an association or relation; go different ways) "The business partners broke over a tax question"; "The couple separated after 25 years of marriage"; "My friend and I split up"
S: (v) separate, part, split (go one's own way; move apart) "The friends separated after the party"
S: (v) burst, split, break open (come open suddenly and violently, as if from internal pressure) "The bubble burst"
Adjective
S: (adj) rending, ripping, splitting (resembling a sound of violent tearing as of something ripped apart or lightning splitting a tree) "the tree split with a great ripping sound"; "heard a rending roar as the crowd surged forward"