According to SOWPODS (the combination of Scrabble dictionaries
used around the world) there are 20 words with the pattern --CKET.
That is, six letter words with 3rd letter C and 4th letter K and
5th letter E and 6th letter T. In alphabetical order, they are:
backet
becket
bucket
cocket
docket
jacket
locket
nacket
nocket
packet
picket
pocket
racket
rocket
socket
sucket
tacket
ticket
tucket
wicket