Letters that make fifteen
e, f, n, t, i are letters that make 'fifteen'
fifteens is a word created by adding a letter to 'fifteen'
2 possible definitions for 'fifteen'
Under this definition, fifteen is a noun and has the following properties:
'fifteen' can be a type of large integer.
Under this definition, fifteen is an adjective and has the following properties:
cardinal is similar to fifteen.