Scranch is a lesser-known word for describing the sound of something being crushed or ground with a cracking noise. If you find yourself looking for a synonym to use instead, you have a few options. Some similar words that share a similar meaning include crunch, crackle, grind, and creak. These words are often used to describe the sound of snow crunching underfoot, or the sound of leaves being crushed underfoot. If you're looking for a more specific meaning, you might consider using a word like crumble, shatter, or splinter. Whatever your needs, there are plenty of words to choose from that convey the same idea as scranch.