sum·mum bo·num 
(sməm bōnəm)
(sməm bōnəm)n.
The greatest or supreme good.
[Latin : summum, neuter of summus, highest + bonum, good.]
- prevenient
- preveniently
- prevent
- preventability
- preventable
- preventative
- prevent defense
- preventer
- preventibility
- preventible
- prevention
- preventive
- preventive detention
- preventively
- preventiveness
- preverb
- preverbal
- preview
- previous
- previously
- previousness
- previous question
- previous to
- previse
- prevision