Or search: tiro, tyro, comer, newbie, novice, entrant, recruit, starter, arriver, beginner, enlistee, freshman, initiate, neophyte, malahini
3 Syllables: SUU
cucumber, juniper, Jupiter, Lucifer, newcomers, universe
5 Syllables: UUSUU
executioner

Found 7 words across 2 groupings. Skipped 2 excess words of a similar stem.