Beware, older languages below! The languages below were invented during Tolkien's earlier period and should be used with caution. Remember to never, ever mix words from different languages!

Qenya 

-lli(ni)

suffix. many, number(s)

A suffix used for adjectives and pronouns of quantity appearing in Demonstrative, Relative, and Correlative Stems (DRC) from 1948 (PE23/108), for example: ᴹQ. mallini “how many”, ᴹQ. tallini “that many”.