Copiously
Genocide is tha word using "G,C" in it.
The letters c e k o p t can be rearranged to make the word pocket.
crayon
There are no words in the English lanuage using these letters.
glen can be one using G L N E. pen can be another using N E P. But if you want to know what word you can make using ALL of the letters then I have no clue.
Codger
rescore
Unscrambling the letters, c r i u n, will give you the words incur and runic. If you don't use all 5 of the letters, you can also make the words, in, un, nu, urn, run, ruin, cur, and uric.
choice
Some words with C and J:CajoleCajunConjectureConjoinConjugateConjunctionConjunctConjureJacketJuncoJunctionJuncture
There are many words that begin with the word see. For example, "the cat meowed at the cow because she was scared".
Chamomile.