rashness vs mindlessness

rashness and mindlessness both are nouns.

Word	Noun	Adjective	Verb	Adverb
rashness	Yes	No	No	No
mindlessness	Yes	No	No	No

As nouns, rashness and mindlessness are synonyms defined as:

rashness and mindlessness: the trait of acting rashly and without prudence

Other synonyms of rashness include heedlessness.

rashness (noun)	mindlessness (noun)
the trait of giving little thought to danger	the trait of acting rashly and without prudence
the trait of acting rashly and without prudence	total lack of meaning or ideas