Letters that make caffein
a, e, f, n, c, i are letters that make 'caffein'
caffeins, caffeine are words created by adding a letter to 'caffein'
1 possible definitions for 'caffein'
Under this definition, caffein is a noun and has the following properties:
caffeine has the same meaning as caffein
'caffein' can be a type of alkaloid.
caffeinic is a derivative of caffein.