abeyance vs stand-down

abeyance and stand-down both are nouns.

Word	Noun	Adjective	Verb	Adverb
abeyance	Yes	No	No	No
stand-down	Yes	No	No	No

As nouns, stand-down is a hyponym of abeyance; that is, stand-down is a word with a more specific, narrower meaning than abeyance:

abeyance: temporary cessation or suspension
stand-down: a suspension and relaxation from an alert state or a state of readiness

Other hyponyms of abeyance include cold storage, deferral, recess, moratorium, standdown.

abeyance (noun)	stand-down (noun)
temporary cessation or suspension	(military) a temporary stop of offensive military action
	a suspension and relaxation from an alert state or a state of readiness