Dawnshard (The Stormlight Archive, #3.5)

by Brandon Sanderson

They assumed their secrets would protect them, but then their allies fell. And secrets can’t hold swords.

“You say more than enough for both of us, Lopen,” Rushu replied. “Ha!” Huio said. Lopen grinned, putting a hand to his head. “A fellow has to try all the words, sella, to see which ones make for good matches and which ones don’t.”