Nussed

Buttercup’s way of pronouncing nursed to make it rhyme with crust. Gypsy blood makes one a natural poet, or poetess, as the case may be. Or at least it confers poetic license. (Actually, nuss was a commonly used pronunciation among the lower classes of that period.)

Context: 
Two tender babes I nussed
Opera: 
Act: 
Act II
Sketch of Two tender babes I nussed