As nouns the difference between youngness and younghood
is that youngness is the state or qualities of being young or youthful; youth while younghood is youth, the state of being young.
youngness
English
Noun
(-)
The state or qualities of being young or youthful; youth.
younghood
English
Alternative forms
* younghead
Noun
(-)
youth, the state of being young
adolescence, teenhood
Synonyms
* youth
* teenhood
* teendom