The same four letters, in the same order, can follow the initial letters below to make five common five-letter words. What are the four letters and what are the words?

B _ _ _ _

C _ _ _ _

D _ _ _ _

F _ _ _ _

G _ _ _ _

 

Answers: 

 

The letters are ROWN:

 

BROWN

CROWN

DROWN

FROWN

GROWN