What makes a word fall out of use? The Text Gallery in London is currently exhibiting The Art of Lost Words, “an exhibition of design, typography and illustration inspired by forgotten words. 47 participants have chosen from among the dictionary’s lost but lovely words, with an open brief to create an original work inspired by their choice.” The artists include the author Audrey Niffenegger, Kate Gibb, Lizzie Ridout, and Mark A. Webber, just to name a few. Among the delicious, defunct words illustrated in this exhibit are mansuetude (adj. gentleness or mildness), venustation (n. the act of causing to become beautiful), filipendulous (adj. hanging by a thread) and the fabulously self-referential flosculation (n. an embellishment or ornamentation in speech). Save the words.