Jeremiah 37:13 

           13  And when he was in the gate of Benjamin, a captain of
          the ward [was] there, whose name [was] Irijah, the son of
          Shelemiah, the son of Hananiah; and he took Jeremiah the
          prophet, saying, Thou fallest away to the Chaldeans.

          Luke 8:13 

           13  They on the rock [are they], which, when they hear,
          receive the word with joy; and these have no root, which for
          a while believe, and in time of temptation fall away.

          2 Thessalonians 2:3 

           3. Let no man deceive you by any means: for [that day shall
          not come], except there come a falling away first, and that
          man of sin be revealed, the son of perdition;

          Hebrews 6:6 

           6  If they shall fall away, to renew them again unto
          repentance; seeing they crucify to themselves the Son of God
          afresh, and put [him] to an open shame.

          1 Peter 1:24 

           24. For all flesh [is] as grass, and all the glory of man
          as the flower of grass. The grass withereth, and the flower
          thereof falleth away: