initialize_dup

# File activesupport/lib/active_support/inflector/inflections.rb, line 86
      def initialize_dup(orig) # :nodoc:
        %(plurals singulars uncountables humans acronyms).each do |scope|
          instance_variable_set("@#{scope}", orig.public_send(scope).dup)
        end
        define_acronym_regex_patterns
      end