Or search: averment, assertion, professing, affirmation, affirmative, reassertion, asseveration, reaffirmation
1 Syllable: S
bowel, cowl, foul, fowl, growl, Howell, howl, owl, prowl, scowl, souled, towel, vowel

Found 13 words across 1 groupings. Skipped 9 excess words of a similar stem.