Rails Inflector Lookup

.camelize#=>"FooBarIds"
.classify#=>"FooBarId"
.constantize#=>foo_bar_ids
.dasherize#=>"foo-bar-ids"
.deconstantize#=>""
.demodulize#=>"foo_bar_ids"
.foreign_key#=>"foo_bar_ids_id"
.humanize#=>"Foo bar ids"
.ordinal#=>
undefined_method
.ordinalize#=>
undefined_method
.parameterize#=>"foo_bar_ids"
.pluralize#=>"foo_bar_ids"
.safe_constantize#=>nil
.singularize#=>"foo_bar_id"
.tableize#=>"foo_bar_ids"
.titleize#=>"Foo Bar Ids"
.underscore#=>"foo_bar_ids"
.upcase_first#=>"Foo_bar_ids"