Hint: Red
The answer to this puzzle is:
1. LADYBUG
2. BRICK
3. GARNET
4. CARDINAL
5. SALSA
6. MEAT
7. SILO
8. TOMATO
9. BARN
10. INK
11. NOSE
12. RADISH
13. SUNBURN
2. BRICK
3. GARNET
4. CARDINAL
5. SALSA
6. MEAT
7. SILO
8. TOMATO
9. BARN
10. INK
11. NOSE
12. RADISH
13. SUNBURN