The possessive form for the singular noun weaver is weaver's.
Example: She sat at a weaver's loom humming a tune.
The possessive form is weaver's.
The possessive form is weaver's.
The possessive form is Amos's.
The singular form is goose; the singular possessive form is goose's.The plural form is geese; the plural possessive form is geese's.
The singular possessive form of county is county's.
Quantum is singular, not singular possessive. The singular possessive form is quantum's.
The singular possessive form is week's.
The singular possessive form is contralto's.
The singular possessive form is aircraft's.
The singular possessive form is frontiersman's.
The singular possessive form is speculum's.
The singular possessive form is herd's.