12 letters
- sociological22
- solicitation17
- solicitously20
- solidaristic17
- sophisticate20
- spasmolytics24
- spasticities18
- specialistic22
- specifically28
- sphericities20
- spiculations21
- sporadically23
- statistician16
- stenographic23
- stereophonic21
- stereopticon19
- stereoscopic21
- stereotactic18
- stethoscopic23
- stichomythia24
- stichomythic27
- stickhandled25
- stickhandler24
- stickhandles24
- stickinesses20
- sticklebacks30
- strictnesses16
- stroboscopic24
- subantarctic23
- subdistricts20
- sublicensing24
- submicrogram27
- suborbicular24
- subsonically24
- sufficiently26
- superhelical23
- superhelices22
- superorganic22
- superplastic23
- supplicating26
- supplication24
- supplicatory25
- surrealistic17
- suspicioning23
- suspiciously23
- syllabically26
- syllabicated23
- syllabicates22
- sylviculture25
- symbolically28
- sympathetics25
- synaptically25
- synchronical25
- syncretistic21
- syndetically23
- syndicalisms23
- syndicalists20
- syndications20
- synergically24
- synoptically25
- systemically24
- tautological20
- technetronic22
- technicality24
- technicalize31
- technocratic24
- technophobic29
- tectonically23
- teleological20
- telocentrics20
- tensiometric19
- terrifically22
- thalassemics21
- thallophytic26
- thaumaturgic24
- theatrically21
- theistically21
- thematically24
- theocratical21
- theoretician18
- theosophical23
- therapeutics21
- thermometric23
- thermophilic26
- thermostatic20
- thermotactic23
- thermotropic23
- thoracically24
- thrombocytic28
- thrombolytic26
- thyrotrophic24
- ticklishness23
- ticktacktoes26
- timocratical22
- topicalities19
- toxicologies25
- toxicologist25
- toxigenicity27
- tragicomical24
- transoceanic20
- transpacific25
- transpicuous21
- transuranics18
- tribological22
- trichinizing30
- trichlorfons22
- trichlorphon24
- trichologies20
- trichologist20
- trichomonads22
- trichopteran21
- trichotomies20
- trichotomous21
- trichromatic23
- trickinesses20
- trickishness22
- triglyphical26
- triplicating22
- triplication20
- triplicities19
- trochanteric21
- tropicalized29
- tropicalizes28
- tropological22
- tropospheric23
- typicalities21
- typification24
- tyrannically23
- tyrannicides20
- tyrothricins20
- uglification23
- ultraradical19
- umbilication24
- unapologetic23
- unbarricaded22
- unchronicled25
- uncritically24
- undemocratic24
- underpricing24
- undiplomatic25
- unduplicated24
- unecological24
- uneconomical25
- unhistorical20
- unhysterical22
- unicamerally24
- unifications21
- unironically22
- unnoticeable22
- unofficially27
- unprejudiced32
- unpublicized35
- unrestricted18
- unrhetorical20
- unscientific24
- unsuspicious22
- unsystematic22
- uricotelisms20
- valedictions22
- valpolicella26
- varicosities19
- vaticinating23
- vaticination21
- vaticinators20
- veridicality23
- verification23
- vermiculated25
- vermiculites24
- verticalness21
- verticillate21
- vesicularity23
- vesiculating24
- vesiculation22
- vexillologic31
- viceroyships26
- vichyssoises23
- vicissitudes21
- victoriously23
- vilification24
- vindications22
- vindictively28
- vinicultures23
- vinification24
- viscoelastic23
- viticultural23
- viticultures22
- vivification27
- voicefulness25
- volcanically28
- volcanologic27
- walkingstick30
- whimsicality26
- wickednesses24
- zoologically31
- zootechnical31
- zwitterionic28