dreg vs small indefinite amount

dreg and small indefinite amount both are nouns.

Word	Noun	Adjective	Verb	Adverb
dreg	Yes	No	No	No
small indefinite amount	Yes	No	No	No

As nouns, small indefinite amount is a hypernym of dreg; that is, small indefinite amount is a word with a broader meaning than dreg:

dreg: a small amount of residue
small indefinite amount: an indefinite quantity that is below average size or magnitude

Other hypernyms of dreg include small indefinite quantity.

dreg (noun)	small indefinite amount (noun)
a small amount of residue	an indefinite quantity that is below average size or magnitude