Words from
acerbic
    sharp and forthright in tone or manner.
    
    Source: Children of Memory - Novel by Adrian Tchaikovsky
    
    shun
    persistently avoid, ignore, or reject someone or something through antipathy or caution.
    
    Source: Children of Memory - Novel by Adrian Tchaikovsky
    
    substrate
    an underlying substance or layer.
    
    Source: Children of Memory - Novel by Adrian Tchaikovsky
    
    indomitable
    impossible to subdue or defeat.
    
    Source: Children of Memory - Novel by Adrian Tchaikovsky