Showing results for "monitor" instead. (You can only search for 1 word at a time unless you use the Storm or Mosaic Rhyme tools)
Or search: cro, spy, stag, snoop, varan, lizard, sleuth, vessel, proctor, varanus, computer, defender, guardian, reminder, protector
2 Syllables: SU
foreigner
3 Syllables: SUU
auditors, commoner, gossamer, monitored, monitors, officer, oftener, Oliver
4 Syllables: SUUU
kilometers
4 Syllables: USUU
astrologer, astronomer, biographer, geographer, idolaters, philosopher, photographer, thermometer
4 Syllables: UUSU
kilometres

Found 19 words across 5 groupings. Skipped 10 excess words of a similar stem.