distraction vs inattention

distraction and inattention both are nouns.

Word	Noun	Adjective	Verb	Adverb
distraction	Yes	No	No	No
inattention	Yes	No	No	No

As nouns, inattention is a hypernym of distraction; that is, inattention is a word with a broader meaning than distraction:

distraction (noun)	inattention (noun)
an entertainment that provokes pleased interest and distracts you from worries and vexations	lack of attention
the act of distracting; drawing someone's attention away from something
mental turmoil
an obstacle to attention