rattle down vs rattle off

rattle down and rattle off both are verbs.

Word	Noun	Adjective	Verb	Adverb
rattle down	No	No	Yes	No
rattle off	No	No	Yes	No

As verbs, rattle down and rattle off are synonyms defined as:

Other synonyms of rattle down include reel off, roll off, spiel off.

rattle down (verb)	rattle off (verb)
recite volubly or extravagantly	recite volubly or extravagantly