ZERO TO ELEVEN
Credit : Will Shortz
NPR Weekend Edition Sunday Puzzle
February 2, 2014

Use the numbers 0 -11 plus the indicated added letters to form new words:

ZERO + F =
ONE + X =
TWO + N =
THREE + I =
FOUR + M =
FIVE + R + Y =
SIX + A =
SEVEN + U =
EIGHT + O =
NINE + L =
TEN + X =
ELEVEN + O + P =

Answers:

FROZE
OXEN
TOWN
EITHER
FORUM
VERIFY
AXIS
VENUES
HOGTIE
LINEN
NEXT
ENVELOPE 

Note: EIGHT + H = HEIGHT