Amonishing, admonitory, advisory, cautioning, preventive, warning.
A suffix that could be added to "caution" is "-ary," forming the word "cautionary."
No a Cautionary tale is not a folktale
Cautionary Tales was created on 2007-11-19.
Cautionary Tales for Children was created in 1907.
All IALA buoys are warning or cautionary buoys.
Cautionary Tales for the Brave was created on 2005-11-29.
Cautionary Tale - 2013 was released on: USA: 2013
The word warning basically means there is a potential risk for harm. It can also refer to someone giving you cautionary advice.
The Cautionary Tale of Numero Cinco was created on 2003-11-05.
Cautionary ECU - 2013 was released on: USA: 2 February 2013 (internet)
No
Serving as a warning.