drivel vs rubbish

drivel and rubbish both are nouns.

Word	Noun	Adjective	Verb	Adverb
drivel	Yes	No	Yes	No
rubbish	Yes	No	Yes	No

As nouns, rubbish is a hyponym of drivel; that is, rubbish is a word with a more specific, narrower meaning than drivel:

drivel (noun)	rubbish (noun)
saliva spilling from the mouth	nonsensical talk or writing
a worthless message	worthless material that is to be disposed of

drivel (verb)	rubbish (verb)
let saliva drivel from the mouth	attack strongly