Rails Inflector Lookup

.camelize#=>"Foo::BarsId"
.classify#=>"Foo::BarsId"
.constantize#=>
wrong constant name foo/bars_id
.dasherize#=>"foo/bars-id"
.deconstantize#=>""
.demodulize#=>"foo/bars_id"
.foreign_key#=>"foo/bars_id_id"
.humanize#=>"Foo/bars"
.ordinal#=>
undefined method
.ordinalize#=>
undefined method
.parameterize#=>"foo-bars_id"
.pluralize#=>"foo/bars_ids"
.safe_constantize#=>""
.singularize#=>"foo/bars_id"
.tableize#=>"foo/bars_ids"
.titleize#=>"Foo/Bars"
.underscore#=>"foo/bars_id"
.upcase_first#=>"Foo/bars_id"