The Crapsey Cinquain was inspired by the haiku and tanka.
CPC #4: Insane Cinquain
An Insane Cinquain is a fun way to practice rhyming in a non-standard setting.
CPC #3: Didactic Cinquain
A Didactic Cinquain is a fun way to practice showing the way words relate to each other.
CPC #2: Whyquain
A Whyquain is a monorhymed answer to a question.
CPC #1: Standard Cinquain
A Standard Cinquain has meter, rhythm, and rhyme.