Rails Inflector Lookup

.camelize#=>"FooBarId"
.classify#=>"FooBarId"
.constantize#=>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#=>nil
.singularize#=>"Foo_bar_id"
.tableize#=>"foo_bar_ids"
.titleize#=>"Foo Bar"
.underscore#=>"foo_bar_id"
.upcase_first#=>"Foo_bar_id"