This The Big Bang Theory screencap contains
bibliothèque, salle de lecture, athénée, and atheneum.
There might also be
chambre de famille, chambre familiale, salon, séjour, chambre à l'avant, salle, salle de devant, and bibliothèque.
Sheldon mentioning Penny in the series finale of "Young Sheldon" doesn't automatically imply Leonard's demise in The Big Bang Theory. Speculations about Leonard's death arose from a casual remark, but there are numerous plausible explanations.