inconsistent wording with knockback

There are currently 4 different wording on skills that knockback.

Knockback, knocks back, knock them away and knocking back. This makes searching a pain.

Knockback: Whirling Slash and Whirlwing Lance "Causing knockback"
Knock them away: Rolling Slam
Knocking Back: Ice nova, Leap slam, Seismic cry
Knocks Back: Everything else