Or search: wasp, mormon, anglican, methodist, anabaptist, complaining, pentecostal, episcopalian, presbyterian, complaintive, nonconformist, fundamentalist, pentecostalist, congregationalist
3 Syllables: SUU
cognizance, cognizant, dominance, dominant, Donovan, fraudulent, Jonathan, Ottoman, oxygen, prominence, prominent, Protestants, Providence, Solomon, Solomon's, tolerance, tolerant
4 Syllables: USUU
concomitants, diocesan, improvidence, intolerance, intolerant, predominance, predominant, reconnaissance
4 Syllables: UUSU
concomitant
5 Syllables: UUSUU
cosmopolitan, metropolitan, Neapolitan

Found 29 words across 4 groupings.