Anthrax - a disease beeswax - found in beehives cashbox - a small lockable moneybox complex - complicated --- and many more
Anthrax. Complex. Paradox. Phalanx. Perflex. Simplex. Triplex.
hexagon
HARDSEX
anthrax
wheatbix
orthodox
Flax.
cortex
orthodox
A four letter word beginning with C and ending with X is crux.
Five letter words starting with C and ending with X are calyx and codex.
phoenix?
Pheonix
The word faux has a silent x, pronounced [foh].
travaux
Try flux or flax; latter is healthier.
peroxide, paroxysm, relaxant
Calyx, codex and cylix are 5 letter words. They begin with c and end with x.