INTERNAL AFFAIRS II
From BRAIN GAMES FOR WORD NERDS
Francis Heaney

In each of the following pairs of words, the second word can be inserted into the first - but only after changing one letter in the second word. For example, give the word pair SPED - LUNG, the N in LUNG could be changed to R and LURG inserted after the P in SPED to get SPLURGED.

1. CHICK OUST
2. SEER PUNCH
3. VARY BLUNT
4. STEER PLAID
5. HARD OMEN
6. UNCLE PUP

HINTS:
The letters to be changed in the second words:
1. U to P
2. N to L
3. B to O
4. I to D
5. N to W
6. P to O

Answers:

1. CHOPSTICK 
2. SEPULCHER
3. VOLUNTARY
4. STEPLADDER
5. HOMEWARD
6. UNCOUPLE