Words from
stem
    stop the spread or development of (something undesirable).
    
    Source: My old website
    
    stricture
    a restriction on a person or activity.
    
    Source: My old website
    
    exuberant
    filled with or characterized by a lively energy and excitement.
    
    Source: My old website
    
    subsidiary
    less important than but related or supplementary to something.
    
    Source: My old website