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