Titanian vs mahoosive

Titanian

adj

Of the Titans
Of the faerie queen Titania
Of Titania, the largest moon of Uranus.
Of Titan, the largest moon of Saturn.

noun

An inhabitant of Titan (the Saturnian moon) or of Titania

mahoosive

adj

Massive; huge; very large.

How often have the words Titanian and mahoosive occurred in a corpus of books? (source: Google Ngram Viewer )