sorme'a lujvo

x1 is less numerous than x2

See so'i, mleca, sormei, sormau, sordu'i, dubme'a, memlai, me'i

In notes:

sordu'e
x1 is too many / too much / too numerous by standard x2
sordu'i
x1 equals in number to x2
sormau
x1 is more numerous than x2