According to SOWPODS (the combination of Scrabble dictionaries
used around the world) there are 8 words with the pattern C---RER-.
That is, eight letter words with 1st letter C and 5th letter R and
6th letter E and 7th letter R. In alphabetical order, they are:
caperers
caterers
cheerers
clearers
coherers
colorers
confrere
coverers