Singulative referred to in linguistics the singular ( singular) indicating the form of a noun, its basic form, the majority expresses ( plural). In contrast to the singular singulative is always marked, usually by an affix or an umlaut or both.
In languages such as the German press, the basic forms ( uninflected forms ) of nouns usually a singular of, that is, there are singular forms (mother, home, car ). To express the plural, you use the plural of the German usually by an umlaut (mother → mothers), by a suffix (car → Cars ), or both (House → houses) is called (see also: plural formation of nouns ).
The Welsh for example however has Nouns whose basic form the majority express ( collectives ). By Singulativsuffix you mean the singular: adar (birds ) → Aderyn ( a bird ) ( suffix umlaut ), mefus ( strawberries) → mefusen ( a strawberry ) or coed ( wood ) → coeden ( tree).