15-Letter Words Containing: I,R,I,F

• To separate into parts or fractions; to fractionate

• simplify to an excessive degree

• the experience of becoming familiar with something

• become professional or proceed in a professional manner or in an activity for pay or as a means of livelihood

• make professional or give a professional character to

• An antipsychotic drug of the phenothiazine group.

• the state of being under federal control

• the act of being put under federal control