Similar to sum
- summisse – calmly, humbly, modestly, softly
- summissus – gentle, let down, lowered, mild
- summa – sum, the highest part, whole
- summoneo – to give a hint
- summitto – lower, subject, subordinate, to let down, to send as help, to send secretly
- summittere – to lower
- summopere – exceedingly, very much