The term 'A Number ___' can be filled in with three different words: ANY, NINE, ONE, and SEVERAL. The word ANY is a pronoun that is used to refer to an unspecified person or thing. It is often used to indicate that all possibilities are being considered. NINE is a cardinal number that comes after eight and before ten. ONE is a cardinal number that comes before two and after zero. SEVERAL is an indefinite number that is greater than two but not specified.