Laefèvæšii knows three grammatical numbers:
> singular (eléva)
> dual (ašíta)
> plural (avéma)
Number is expressed by endings (sáhe-m, sáhem-ie, sáhem-äs).
Laefèvæšii also has one-numeral and numeral nouns.
> singular uncountable:
- matter (ice – Asóystt)
- group (leaves – asúrent)
- notion/idea (death – Árya)
> plural countable (ends in -(a)s, -eštij)
Singular nouns can be only in singular, plural nouns in plural; but in-pair things can be exceptionally in dual.
Numeral nouns are all other nouns.