He constantly uses such words as "clarity" for "clearness," "Ferity" for "fierceness" or "wildness," when nothing is gained by the exotic form.
"A History of English Literature Elizabethan Literature"
George Saintsbury
Its wild, demoniac laughter awakens the echoes on the solitary lakes, and its Ferity and hardiness are kindred to those robust spirits.
"Birds and Poets"
John Burroughs