The Collaborative International Dictionary
Stalworthness
Stalworthhood \Stal"worth*hood\ (-w[~e]rth*h[oo^]d), Stalworthness \Stal"worth*ness\ (-w[~e]rth*n[e^]s), n. The quality or state of being stalworth; stalwartness; boldness; daring. [Obs.]
Wiktionary
stalworthness
n. (obsolete form of stalwartness English)