The past tense of stum is stumed. See all forms of stum with easy examples.

The past tense of stultify is stultified. See all forms of stultify with easy examples.

The past tense of stuff is stuffed. See all forms of stuff with easy examples.

The past tense of study is studied. See all forms of study with easy examples.

The past tense of studder is studdered. See all forms of studder with easy examples.

The past tense of stud is studded. See all forms of stud with easy examples.

The past tense of stucco is stuccoed. See all forms of stucco with easy examples.

The past tense of stub is stubbed. See all forms of stub with easy examples.

The past tense of strut is strutted. See all forms of strut with easy examples.

The past tense of strumpet is strumpeted. See all forms of strumpet with easy examples.