pail vs containerful

pail and containerful both are nouns.

Word	Noun	Adjective	Verb	Adverb
pail	Yes	No	No	No
containerful	Yes	No	No	No

As nouns, containerful is a hypernym of pail; that is, containerful is a word with a broader meaning than pail:

pail (noun)	containerful (noun)
a roughly cylindrical vessel that is open at the top	the quantity that a container will hold
the quantity contained in a pail