oatcake
Using all the letters you get couches
citedal
crapple
A seven letter word beginning with C with a the fourth letter C is cracker.
A 7 letter word starting with c is confirm.
A 7-letter word that contains the letters C, A, S, and M is "scamper."
No 7 letter words, but using 6 letters, words beginning with c, ending in s, are clouts and cutlets.
mascots
economy
ostrich
CLOTHES
Chronic