P3O1S1T1F4I1X8
19 points
POSTFIX is validvalid
to affix at the end of something [v POSTFIXED, POSTFIXES, POSTFIXING]
to affix at the end of something [v -ED, -ING, -ES]
to affix at the end of something [v POSTFIXED, POSTFIXES, POSTFIXING]
to affix at the end of something [v -ED, -ING, -ES]