ad—adsum, esse, adfuī, to be present or near; to aid (esp. in court).
dē—dēsum, deesse, dēfuī, to be away or absent; be wanting; fail; to miss, let slip.
in—īnsum, inesse, īnfuī, to be in or on; belong to.
inter—intersum, esse, fuī, to be present at, take part in.
prae—praesum, praeesse, fuī, to be over or before; rule, govern, be in command of.
prō—prōsum, prōdesse, prōfuī, to benefit, profit, aid.
super—supersum, esse, fuī, to be over and above, remain; survive, outlive.
summa, ae [summus], f., top, summit; chief point or place, supremacy; total, amount, sum.
summus, see [superus].
[sūmō, ere, sūmpsī, sūmptus] [sub + emō], to take up, take, choose; enter upon, begin; spend.