unmindfulness vs inadvertence

unmindfulness and inadvertence both are nouns.

Word	Noun	Adjective	Verb	Adverb
unmindfulness	Yes	No	No	No
inadvertence	Yes	No	No	No

As nouns, unmindfulness and inadvertence are synonyms defined as:

unmindfulness and inadvertence: the trait of forgetting or ignoring your responsibilities

Other synonyms of unmindfulness include heedlessness, inadvertency.

unmindfulness (noun)	inadvertence (noun)
the trait of forgetting or ignoring your responsibilities	the trait of forgetting or ignoring your responsibilities
	an unintentional omission resulting from failure to notice something