barrelful vs containerful

barrelful and containerful both are nouns.

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

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

barrelful (noun)	containerful (noun)
the quantity that a barrel (of any size) will hold	the quantity that a container will hold