i Register
In some senses, stalworth is marked as archaic, obsolete. Watch for register when choosing this word.
adj
Stalwart.
Our blooming friend, the handsome and stalworth Magnolia, having got a confidential hint from agitated Mrs. Mack, trudged up to the mills, in a fine frenzy, vowing vengeance on Mary Matchwell, for she liked poor Sally Nutter well.
noun
Stalwart.
name
A surname transferred from the nickname.