cracks

noun

Narrow openings or lines of breakage on a surface, often indicating damage.

"The old wall had many cracks."

verb

Makes or causes to make a sudden, sharp sound; breaks or splits something.

"The whip cracks loudly in the air."

Thesaurus

Synonyms: fissure, crevice, cleft, scissure, check, break, gap, tops, tiptop, topnotch, top-notch, superior