drool vs meaninglessness

drool and meaninglessness both are nouns.

Word	Noun	Adjective	Verb	Adverb
drool	Yes	No	Yes	No
meaninglessness	Yes	No	No	No

As nouns, meaninglessness is a hypernym of drool; that is, meaninglessness is a word with a broader meaning than drool:

Other hypernyms of drool include bunk, hokum, nonsense, nonsensicality.

drool (noun)	meaninglessness (noun)
saliva spilling from the mouth	the quality of having no value or significance
pretentious or silly talk or writing	a message that seems to convey no meaning

drool (verb)	meaninglessness (verb)
let saliva drivel from the mouth
be envious, desirous, eager for, or extremely happy about something