Showing results for "charadrius" instead. (You can only search for 1 word at a time unless you use the Storm or Mosaic Rhyme tools)
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2 Syllables: SU
alias, aqueous, atheist, patriots, radius, waitress
3 Syllables: SUU
laziness, stateliness
3 Syllables: USU
compatriots, cutaneous, extraneous, spontaneous
4 Syllables: UUSU
instantaneous, miscellaneous, simultaneous, subcutaneous, subterraneous
5 Syllables: UUUSU
contemporaneous, extemporaneous

Found 19 words across 5 groupings. Skipped 1 excess word of a similar stem.