In the cryptograms below, C stands for consonant, and V standS for vowel. All words are common, uncapitalized, 10-letter English words. There are no plurals, none of the words contain the letter Y, and all of the answers just happen to start with the letter C.
Oh yeah - good luck.

-1. CCCVCVCVCC
-2. CVVCVCVVVC
-3. CVCVVCCVCV
4. CVCCVVCVVC
5. CVCVCVVCCV
-6. CCVCCVCCVV