If a generic word is called with an object and multiple methods specialize on classes that this object is an instance of, usually the most specific method is called (Method precedence).

Less-specific methods can be called directly:

call-next-method

A lower-level word which the above expands into:

(call-next-method) ( method -- )

To look up the next applicable method reflectively:

next-method ( class generic -- method/f )

Errors thrown by improper calls to call-next-method:

inconsistent-next-method ( class generic -- * )

no-next-method ( method -- * )