The same letters, in the same order, can fill the blanks in each set below to create two related words.

1)
H _ _ _ _ _
W _ _ _ _ _

2)
H _ _ _
P _ _ _

3)
M _ _ _
GR _ _ _

4)
W _ _ _
T _ _ _

HINTS:
1. Driver license data
2. Big Bad Wolf
3. Complain
4. Consequence of use

Answers:

1. HEIGHT / WEIGHT
2. HUFF / PUFF
3. MOAN / GROAN
4. WEAR / TEAR