WORDS WITHIN WORDS I
Credits:
GAMES Magazine - Sept/Oct 1981
EXPAND YOUR VOCABULARY
Ralph Maus and
GAMES Magazine - Nov. 2013
EAT YOUR WORDS
Stephen Sniderman

Each of the words in the middle of the lines can be expanded into a longer word by adding letters before and after, one letter per blank. The added letters will spell a word in their own right. For example, given the clue

_ _ _ MAT _ _ , the answer would be PRIMATES - adding PRIES to MAT to get the longer word.

1. _ AIR _ _ _
2. _ PI _ _ _ _
3. _ HITCH_ _
4. _ _ FORM _ _ _
5. _ _ DON _ _ _
6. _ _ JUST _ _ _ _ _
7. _ _ _ TIME _ _ _
8. _ _ _ SPA _ _
9. _ _ _ STRIP _ _
10. _ _ _ _TREND _ _ _

HINTS:
The first letters of the missing words are:
1. D
2. O
3. C
4. D
5. H
6. U
7. C
8. T
9. P
10. H

Answers:

1. DairIES
2. OpiNION
3. ChitchAT
4. DEformITY
5. HEdonIST
6. UNjustIFIED
7. CENtimeTER
8. TREspaSS
9. PINstripED 
10. HEARtrendING