descent

Synonyms: cave-in coast coming down crash declension declination decline declivity dip downgrade droop drop drop-off fall falling grade gradient header hill inclination incline landslide plummeting plunge plunging precipitation prolapse sag settlement sinkage sinking slant slide slip slope swoop tailspin topple tumble

Antonyms: ascension ascent elevation increase rise upgrade

Synonyms: blood extraction family family tree genealogy heredity lineage origin parentage pedigree relationship

Synonyms: abasement anticlimax cadence comedown debasement decadence decline degradation discomfiture down downcome downfall lapse pathos slump

Antonyms: improvement upgrade

Synonyms: advance foray incursion invasion pounce raid swoop