Noun

• S: (n) chip, chipping, splintering (the act of chipping something)

Verb

• S: (v) secede, splinter, break away (withdraw from an organization or communion) "After the break up of the Soviet Union, many republics broke away"
• S: (v) sliver, splinter (divide into slivers or splinters)
• S: (v) splinter, sliver (break up into splinters or slivers) "The wood splintered"