14 letters
- schismatically29
- schizophrenias34
- schizophrenics37
- schoolchildren28
- scintigraphies25
- scratchinesses23
- secretaryships24
- seismographies24
- shadowgraphies27
- silversmithing27
- solicitorships23
- somatotrophins23
- soothingnesses20
- sophisticating25
- sophistication23
- spectatorships25
- spectrographic30
- spokesmanships30
- sportsmanships26
- statesmanships23
- stealthinesses18
- stereographies21
- stereographing24
- stoichiometric25
- stratigraphies21
- superachievers27
- swordsmanships27
- tachistoscopes25
- tachistoscopic28
- telepathically27
- theosophically28
- thermographies26
- thiabendazoles31
- thievishnesses23
- thigmotropisms27
- thimbleberries26
- thimbleriggers27
- thimblerigging30
- thinkingnesses25
- toothbrushings25
- transshipments24
- treasurerships20
- tsutsugamushis24
- turbomachinery29
- unchivalrously30
- underachievers26
- underachieving29
- underclothings26
- unthinkability29
- unworthinesses22
- whimsicalities26
- whippersnapper32
- whistleblowers27
- whistleblowing30
- worshipfulness28
- worthwhileness26
- zoogeographies32