Words from
trenchant
    incisive or keen, as language or a person; caustic; cutting.
    
    Source: Sophie's World - Jostein Gaarder
    
    slink
    move furtively or stealthily with a smooth, quiet motion.
    
    Source: Sophie's World - Jostein Gaarder
    
    menagerie
    a collection of wild animals kept in captivity for exhibition.
    
    Source: Sophie's World - Jostein Gaarder
    
    glider
    a long swinging seat suspended from a frame in a porch.
    
    Source: Sophie's World - Jostein Gaarder