RichThesaurus
nonconcurrence
vs
recusancy
nonconcurrence
noun
Refusal to concur.
recusancy
noun
Obstinate refusal or opposition.
The state of being a recusant; nonconformity.
How often have the words
nonconcurrence
and
recusancy
occurred in a corpus of books?
(source:
Google Ngram Viewer
)