maternity vs parental quality

maternity and parental quality both are nouns.

Word	Noun	Adjective	Verb	Adverb
maternity	Yes	No	No	No
parental quality	Yes	No	No	No

As nouns, parental quality is a hypernym of maternity; that is, parental quality is a word with a broader meaning than maternity:

maternity: the quality of having or showing the tenderness and warmth and affection of or befitting a mother
parental quality: a quality appropriate to a parent

maternity (noun)	parental quality (noun)
the quality of having or showing the tenderness and warmth and affection of or befitting a mother	a quality appropriate to a parent
the kinship relation between an offspring and the mother
the state of being pregnant; the period from conception to birth when a woman carries a developing fetus in her uterus