RichThesaurus
Satanical
vs
portentous
Satanical
adj
Satanic.
portentous
adj
Of momentous or ominous significance.
Ominously prophetic.
Puffed up with vanity.
How often have the words
Satanical
and
portentous
occurred in a corpus of books?
(source:
Google Ngram Viewer
)