pall vs peter out

pall is a noun but peter out is not a noun.

Word	Noun	Adjective	Verb	Adverb
pall	Yes	No	Yes	No
peter out	No	No	Yes	No

As verbs, peter out is a hyponym of pall; that is, peter out is a word with a more specific, narrower meaning than pall:

Other hyponyms of pall include conk out, poop out, run down, run out, retire, withdraw.

pall (noun)	peter out (noun)
hanging cloth used as a blind (especially for a window)
burial garment in which a corpse is wrapped
a sudden numbing dread

pall (verb)	peter out (verb)
lose interest or become bored with something or somebody	use up all one's strength and energy and stop working
lose strength or effectiveness; become or appear boring, insipid, or tiresome (to)	end weakly
become less interesting or attractive
lose sparkle or bouquet
cause to become flat
cause surfeit through excess though initially pleasing
cover with a pall
cause to lose courage; to be daunted; to be scared away