abscondment vs abandonment

abscondment and abandonment both are nouns.

Word	Noun	Adjective	Verb	Adverb
abscondment	Yes	No	No	No
abandonment	Yes	No	No	No

As nouns, abandonment is a hypernym of abscondment; that is, abandonment is a word with a broader meaning than abscondment:

abscondment: the act of running away secretly (as to avoid arrest)
abandonment: withdrawing support or help despite allegiance or responsibility

Other hypernyms of abscondment include defection, desertion.

abscondment (noun)	abandonment (noun)
the act of running away secretly (as to avoid arrest)	withdrawing support or help despite allegiance or responsibility
	the voluntary surrender of property (or a right to property) without attempting to reclaim it or give it away
	the act of giving something up