-fy

suffix

1》 (added to nouns) forming verbs denoting making or producing: speechify.

    ↘denoting transformation or the process of making into: petrify.

2》 forming verbs denoting the making of a state defined by an adjective: falsify.

3》 forming verbs expressing a causative sense: horrify.

Origin

from Fr. -fier, from L. -ficare, -facere, from facere 'do, make'.