Rails Inflector Lookup

.camelize#=>"Foo barIds"
.classify#=>"Foo barId"
.constantize#=>
wrong constant name 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#=>""
.singularize#=>"foo bar_id"
.tableize#=>"foo bar_ids"
.titleize#=>"Foo Bar Ids"
.underscore#=>"foo bar_ids"
.upcase_first#=>"Foo bar_ids"