Rails Inflector Lookup

.camelize#=>"FooBar"
.classify#=>"FooBar"
.constantize#=>
uninitialized constant Foo_bar
.dasherize#=>"Foo-bar"
.deconstantize#=>""
.demodulize#=>"Foo_bar"
.foreign_key#=>"foo_bar_id"
.humanize#=>"Foo bar"
.ordinal#=>
undefined method
.ordinalize#=>
undefined method
.parameterize#=>"foo_bar"
.pluralize#=>"Foo_bars"
.safe_constantize#=>""
.singularize#=>"Foo_bar"
.tableize#=>"foo_bars"
.titleize#=>"Foo Bar"
.underscore#=>"foo_bar"
.upcase_first#=>"Foo_bar"