Multiplicity
Part of speech: noun
Definition: the state of being made of multiple diverse elements the number of values for which a given condition holds a large indeterminate number The number of instances that can occur on a given end of a relationship, including 0..1, 1, 0..* or *, and 1..*.
Example sentence: As someone who prepared our forces to deal with the multiplicity of operational and strategic challenges our country faces, I am confident about Israel's capability to defend itself.
Numerosity
Part of speech: noun
Definition: The condition of being numerousThe extent to which something is numerous