Rails Inflector Lookup

.camelize#=>"Foo::BarId"
.classify#=>"Foo::BarId"
.constantize#=>
wrong constant name foo/bar_id
.dasherize#=>"foo/bar-id"
.deconstantize#=>""
.demodulize#=>"foo/bar_id"
.foreign_key#=>"foo/bar_id_id"
.humanize#=>"Foo/bar"
.ordinal#=>
undefined method
.ordinalize#=>
undefined method
.parameterize#=>"foo-bar_id"
.pluralize#=>"foo/bar_ids"
.safe_constantize#=>""
.singularize#=>"foo/bar_id"
.tableize#=>"foo/bar_ids"
.titleize#=>"Foo/Bar"
.underscore#=>"foo/bar_id"
.upcase_first#=>"Foo/bar_id"