12 letters
- ruminatively24
- screwdrivers23
- sempervivums30
- seronegative19
- seropositive19
- sportiveness20
- subcuratives24
- subdividable26
- subdivisions22
- subjectively35
- subjectivise32
- subjectivism35
- subjectivist32
- subjectivity34
- subjectivize41
- subjunctives34
- submissively26
- substantival22
- substantives21
- substitutive21
- subversively27
- successively26
- suggestively24
- superlatives21
- supermassive23
- survivalisms25
- survivalists22
- survivorship26
- susceptivity25
- suspensively24
- sustentative18
- tergiversate18
- thanksgiving28
- transceivers20
- transitively20
- transitivity19
- transmissive20
- trivialising20
- trivialities17
- trivializing29
- unaggressive22
- unambivalent26
- unattractive21
- unchivalrous25
- uncoercively27
- uncultivable27
- uncultivated24
- unexpressive28
- unforgivable27
- unimpressive24
- universalism22
- universalist19
- universality21
- universalize28
- universities18
- unperceptive27
- unpersuasive22
- unprivileged25
- unproductive26
- unreflective25
- unresponsive22
- vasoactivity25
- vegetatively25
- vindictively28
- vituperative24
- vivification27
- viviparities23
- viviparously27
- vivisections24
- votivenesses21