inattentiveness vs trait

inattentiveness and trait both are nouns.

Word	Noun	Adjective	Verb	Adverb
inattentiveness	Yes	No	No	No
trait	Yes	No	No	No

As nouns, trait is a hypernym of inattentiveness; that is, trait is a word with a broader meaning than inattentiveness:

inattentiveness: the trait of not being considerate and thoughtful of others
trait: a distinguishing feature of your personal nature

inattentiveness (noun)	trait (noun)
the trait of not being considerate and thoughtful of others	a distinguishing feature of your personal nature
a lack of attentiveness (as to children or helpless people)