mindlessness vs rashness

mindlessness and rashness both are nouns.

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

As nouns, mindlessness and rashness are synonyms defined as:

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

Other synonyms of mindlessness include heedlessness.

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