1. Though

2.Although

3. Eventhough

4. Dough

5.Enough

6.Tough

7.Rough

8. Plough

9.Cough

10.Slough

11. Through

12. Thorough

13.Trough

14. Lough ( a strip of lake or sea)

15. Play-dough

16.Bough : ( Branch of a tree)

17. Borough ( a town / a part of a city)

18.Pocket-borough

If think hard, we may come up with atleast half-a-dozen words more.

..

2 enough

3 cough

4 trough

5 bough

6 plough

7 dough

8 slough

9 thorough

10 borough

11 hough

12 lough

2 dough

3 though

4 rough

5 tough

6 bough

7 enough

8 through

9 brought

10 bought

11 sought

12 fought

13 nought

14 thought

(hint – there are at least 12).

FURLOUGH

ALTHOUGH

THROUGH

ROUGH

TOUGH

BOUGH

TROUGH

ENOUGH

DOUGH

COUGH

THOUGH