As guessed correctly by 7 people, the pair of Scrabble-legal words was WILL and GRACE. The winner of a copy of my board game Mammalath (with the Mammalath Plus expansion), selected at random from among those 7 people, is Michael Tang! Congratulations!
And kudos to Jason Boomer for his great detective work regarding the identity of the mysterious "Frank Stieg" who showed up on week 4:
