Robóne, as Robbóne.
Roboráre, to corroborate or strengthen.
Roboratióne, a corroborati[on] or strengthning.
Róbore, an Oake. Vsed also for strength or force of body. Also courage, hardinesse or stoutnesse of minde.
Roborẻo, made of Oake.
Roboróso, stiffe or hard as Oake.
Robríca, Red-oaker or Markeing-stone.
Robúrno, of or belonging to Oake.
Robustézza, sturdinesse, toughnesse.
Robústo, sturdy, tough, strong.