Five letter words starting with C and ending with X are calyx and codex.
Alec
compelconsulcorralcarnal
churchclenchclutchcrouchcrunch
Carhop
A four letter word beginning with C and ending with X is crux.
disc
Narc.
OTIC
talc
A flock?? Well that's mostly with birds.
The word is echo
Five letter word, begins with c ends with d:creedcloudchordcriedcaredcoredcrowdcupidcycad
TRAGIC
A remarkable person, eccentric or amusing, can be known as a 'card'
Five letter words starting with C and ending with X are calyx and codex.
doc?