folktale vs tale

folktale and tale both are nouns.

Word	Noun	Adjective	Verb	Adverb
folktale	Yes	No	No	No
tale	Yes	No	No	No

As nouns, tale is a hypernym of folktale; that is, tale is a word with a broader meaning than folktale:

folktale: a tale circulated by word of mouth among the common folk
tale: a message that tells the particulars of an act or occurrence or course of events; presented in writing or drama or cinema or as a radio or television program

Other hypernyms of folktale include narration, narrative, story.

folktale (noun)	tale (noun)
a tale circulated by word of mouth among the common folk	a message that tells the particulars of an act or occurrence or course of events; presented in writing or drama or cinema or as a radio or television program
	a trivial lie