claudicar - limp
cotillear - gossip
cortejar - woo
canonizar - canonize
concadenar - catenate
cifrar - cipher, encipher, scramble
chismorrear - blab
carcomar - erode
congraciarse - ingratiate
combiar - alter
coadunar - associate, unite, unify
calafatear - calk, caulk