Morpheme
Rumpus
Type
free base
Denotation
uproar, disturbance, riot, brawl
Etymology
1745 of unknown origin; possibly from robustious (<Robust + -i- + -ous>), rumbustious, or rumbustical + Latin -us
Evidence
rumpus, rumpused, rumpuses, rumpusing
Notes
<s> does not double because the stress falls on the first syllable
