Or search: plagiarism, buccaneering, plagiarisation, plagiarization
2 Syllables: SU
diary, fiery, ivory, Priory
3 Syllables: SUU
binary, bribery, dynasty, finally, finery, inquiry, irony, mightily, piety, piously, primacy, privacy, privately, quietly, righteously, vitally
3 Syllables: USU
enquiry
4 Syllables: SUUU
accuracy, literacy
4 Syllables: USUU
advisedly, advisory, anxiety, confederacy, decidedly, excitedly, propriety, psychiatry, refinery, reliably, sobriety, variety
5 Syllables: USUUU
degeneracy, illiteracy, inaccuracy
5 Syllables: UUSUU
impropriety, indescribably, notoriety, supervisory, undeniably

Found 43 words across 7 groupings.