b, d, e, r, y are letters that make 'derby'
ER, by, DE, Er, Rb are words within 'derby'
1 possible definitions for 'derby'
Under this definition, derby is a noun and has the following properties:
bowler hat, bowler, derby hat, plug hat have the same meaning as 'derby'
'derby' can be a type of hat, chapeau, lid.