different between unfear vs ungear

English

From un- +? fear.

unfear (uncountable)

Absence of fear; fearlessness.
- 2009, John Hough, Seen the Glory: A Novel of the Battle of Gettysburg (page 163)
  It would have been easy now to run on home and beat him there but she did not. She let some seconds go by in which her unfear of him—if unfear it was—would proclaim itself, then turned, with her parasol and basket. “what is it,” she said.

un- +? gear

ungear (third-person singular simple present ungears, present participle ungearing, simple past and past participle ungeared)

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