10 letters
- sailboater14
- sarcophagi20
- schoolmate19
- schooltime19
- scleromata17
- sclerotium18
- seaborgium19
- semipublic24
- semitropic19
- speculator18
- spermatial17
- splotchier19
- subchapter22
- suboptimal21
- subprimate20
- superbitch22
- superlight19
- supermacho22
- theurgical19
- thimblerig21
- thimerosal16
- thiouracil17
- trabeculas18
- trialogues14
- tularemias15
- turophiles17
- ultimacies18
- ultrabasic18
- umbilicate21