Crack and Fault line

Crack noun - An irregular usually narrow break in a surface created by pressure.

Fault line and crack are semantically related In some cases you can replace phrase "Fault line" with "Crack", this terms are similar.

Nearby Words: cracked, cracking, crackle, cracker, crackled

Fault line noun - (geology) line determined by the intersection of a geological fault and the earth's surface.

Crack and fault line are semantically related in line of rock displacement topic. You can use "Crack" instead a noun phrase "Fault line".