What's the difference between defilade and enfilading?

Defilade

Definition:

• (v. t.) To raise, as a rampart, so as to shelter interior works commanded from some higher point.

Example Sentences:

Enfilading

Definition:

• (p. pr. & vb. n.) of Enfilade

Example Sentences:

• (1) The crux of this practical management rests in the control of perianal moisure, the elimination of which gives an enfilading effect to therapy.