Shrewdness is a related term of foxiness.
As nouns the difference between shrewdness and foxiness
is that shrewdness is the quality of being shrewd while foxiness is the characteristic or quality of being foxy.
shrewdness
English
Noun
(shrewdnesses)
The quality of being shrewd.
An invented collective name for a group of apes.
foxiness
English
Noun
(-)
The characteristic or quality of being foxy