rock·slide 
(rŏkslīd′)
(rŏkslīd′)n.
1. A rapid movement of rock fragments down a slope.
2. The mass of rock fragments resulting from such a movement.
- counterpunch
- counterpuncher
- Counter Reformation
- counterreformation
- counterrevolution
- counterrevolutionary
- counterrevolutionist
- countershading
- countershaft
- countersign
- countersignature
- countersink
- counterspy
- counterstain
- countersue
- countersuit
- countersunk
- countertenor
- countertop
- countertrade
- countertrader
- countertransference
- countervail
- counterweigh
- counterweight