tablespoon vs containerful

tablespoon and containerful both are nouns.

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

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

tablespoon (noun)	containerful (noun)
a spoon larger than a dessert spoon; used for serving	the quantity that a container will hold
as much as a tablespoon will hold