scranch
1. [ verb ] make a crunching noise, as of an engine lacking lubricants
Synonyms: crackle thud scrunch crunch scraunch crump
Related terms: go make_noise crump crunch
2. [ verb ] make crunching noises
Synonyms: crunch crackle scraunch
Examples:

"his shoes were crunching on the gravel"

Related terms: make_noise
Similar spelling:   scraunch
  scrunch
  Scranton
  scorn
  scrunch_up
  scrawny
  scorner
  scorned
  scoring
  Schranz
  scornful
  Schronce
  Schriner
  Schrantz
  scram
  scaramouch