RichThesaurus
nonchalant
vs
unbewised
nonchalant
adj
Indifferent; unconcerned; behaving as if detached.
Casually calm and relaxed.
unbewised
adj
Unconscious; unproven.
How often have the words
nonchalant
and
unbewised
occurred in a corpus of books?
(source:
Google Ngram Viewer
)