heedlessness vs attentiveness

heedlessness and attentiveness both are nouns.

Word	Noun	Adjective	Verb	Adverb
heedlessness	Yes	No	No	No
attentiveness	Yes	No	No	No

As nouns, attentiveness is a hypernym of heedlessness; that is, attentiveness is a word with a broader meaning than heedlessness:

heedlessness (noun)	attentiveness (noun)
the trait of forgetting or ignoring your responsibilities	the trait of being considerate and thoughtful of others
the trait of acting rashly and without prudence	the trait of being observant and paying attention
a lack of attentiveness (as to children or helpless people)	paying particular notice (as to children or helpless people)