anguinine vs ophidian

anguinine

adj

Of, pertaining to, or characteristic of serpents.

ophidian

adj

Of or pertaining to the suborder Serpentes; of, related to, or characteristic of a snake or serpent.

noun

Any species of the suborder Serpentes; a snake or serpent.

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