meritoriousness vs worthiness

meritoriousness and worthiness both are nouns.

Word	Noun	Adjective	Verb	Adverb
meritoriousness	Yes	No	No	No
worthiness	Yes	No	No	No

As nouns, worthiness is a hypernym of meritoriousness; that is, worthiness is a word with a broader meaning than meritoriousness:

meritoriousness: the quality of being deserving (e.g., deserving assistance)
worthiness: the quality or state of having merit or value

meritoriousness (noun)	worthiness (noun)
the quality of being deserving (e.g., deserving assistance)	the quality or state of having merit or value