15 letters
- supernutritions22
- superovulations26
- superparasitism25
- superpatriotism25
- superphenomenon30
- superphosphates29
- superplasticity28
- supersaturating23
- supersaturation21
- superscriptions26
- superspecialist26
- superspectacles29
- superstimulated25
- superstimulates24
- superstitiously23
- superstructural25
- superstructures24
- supersubtleties24
- supersymmetries27
- suspensefulness26
- teletypewriters24
- temperamentally29
- temperatenesses22
- tempestuousness24
- therapeutically28
- thermoperiodism27
- trifluoperazine33
- ultramicroscope29
- wappenschawings36
- whippersnappers33