drop off vs recede

drop off and recede both are verbs.

Word	Noun	Adjective	Verb	Adverb
drop off	No	No	Yes	No
recede	No	No	Yes	No

As verbs, drop off and recede are synonyms defined as:

Other synonyms of drop off include fall back, fall behind.

drop off (verb)	recede (verb)
change from a waking to a sleeping state	become faint or more distant
fall to a lower standard	retreat
fall or diminish	pull back or move away or backward
retreat
remove (cargo, people, etc.) from and leave