How many words of at least four letters can you think of that change into new ones when one of the letters is doubled? For example, HOLY become HOLLY when you double the L. (The two double letters must be consecutive.) Nineteen are listed below.

(Possible) Answers:

1. CORAL - CORRAL

2. LITER - LITTER

3. BELOW - BELLOW

4. SUPER - SUPPER

5. SALON - SALOON

6. FURY - FURRY

7. CANON - CANNON

8. STEP - STEEP

9. RIFLE - RIFFLE

10. PURE - PUREE 

11. MOUSE - MOUSSE

12. COMA - COMMA 

13. POSE - POSSE

14. GROVE - GROOVE

15. RAGED- RAGGED

16. SLOP - SLOOP

17. BITER - BITTER 

18. DOTING - DOTTING