hatful vs containerful

hatful and containerful both are nouns.

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

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

hatful (noun)	containerful (noun)
as many or as much as a hat will hold	the quantity that a container will hold
(often followed by `of') a large number or amount or extent