i Register
In some senses, nonage is marked as obsolete, rare. Watch for register when choosing this word.
noun
The state of being under legal age; minority, the fact of being a minor.
His vvarlike vvife Simeramis, her huſband being dead, / And ſonne in nonage, faining him ſhe ruled in his ſtéede: / Delating in a males attire the Empire nevve begonne: / The vvhich, his yeares admitting it, ſhe yealded to her ſonne.
In him there is a hope of government, / That in his nonage council under him, / And in his full and ripen'd years himself, / No doubt, shall then and till then govern well.
noun
A payment formerly made to the parish clergy upon the death of a parishioner, consisting of a ninth of the movable goods.