What are your personal favorite Exotic Words you sneak into your texts?

I like to sparingly use some exotic or fun words in my text. Not overuse them, but just to spice it up after a number of pages. Too often and it can feel pretentious, but I like when an author every-so-often drops a fun new word to add to the vocabulary.

Two of my favorites are "scacchic" (adv) meaning "of or pertaining to chess pieces" and "brontide" (n) meaning "a low muffled sound like distant thunder"