12 letters
- soliloquised25
- soliloquized34
- somersaulted18
- soundproofed22
- southernwood20
- sparkplugged29
- spermatozoid28
- spinsterhood19
- standardbred19
- standardised16
- standardized25
- stickhandled25
- stonyhearted18
- storyboarded19
- stouthearted16
- straightbred20
- straightened18
- stranglehold20
- strangulated18
- strengthened19
- stringhalted19
- subarachnoid23
- subirrigated19
- suboptimized32
- subordinated19
- subsaturated18
- subthreshold22
- suburbanised22
- suburbanized31
- subvocalized34
- supercharged24
- superimposed23
- superinduced23
- superpowered23
- superscribed23
- supplemented25
- swashbuckled30
- switchbacked31
- syllabicated23
- synchronised22
- synchronized31
- systematised18
- systematized27
- telecommuted24
- temporalized29
- thermoformed24
- thermostated18
- thoroughbred23
- thousandfold22
- throttlehold19
- thundercloud23
- tranquilized34
- transfigured20
- transgressed16
- translocated18
- transpierced20
- transplanted19
- transshipped22
- triangulated18
- tropicalized29
- tuberculated22
- turbocharged24
- turtlenecked23
- ultrarefined19
- unacclimated25
- unaccredited22
- unaccustomed25
- unacquainted29
- unadvertised20
- unaffiliated22
- unalleviated21
- unassociated18
- unattenuated17
- unattributed19
- unauthorized27
- unbarricaded22
- uncalculated24
- uncalibrated22
- uncelebrated22
- unchallenged25
- unchaperoned24
- unchristened21
- unchronicled25
- uncirculated23
- unclassified22
- uncompounded27
- unconfounded25
- unconjugated31
- unconsidered20
- uncontracted22
- uncontrolled21
- uncorrelated19
- uncovenanted24
- uncultivated24
- undeciphered24
- undecomposed25
- undefoliated20
- undercharged23
- undercounted21
- underexposed26
- underinsured18
- underpowered22
- underreacted19
- undershirted18
- understaffed22
- understeered16
- understudied18
- underwhelmed25
- undesignated19
- undetermined20
- undiminished22
- undischarged23
- undiscovered23
- undistracted19
- undocumented24
- undramatized28
- unduplicated24
- unembittered21
- unencumbered26
- unexpurgated28
- unfertilized28
- unformulated23
- unfrequented29
- ungentrified21
- ungerminated21
- unglamorized30
- unhydrolyzed32
- unhyphenated25
- unidentified20
- unillusioned19
- uninfluenced25
- uninoculated21
- uninstructed20
- unintegrated18
- uninterested16
- unirradiated16
- unlikelihood23
- unmechanized33
- unmodernized29
- unmyelinated22
- unobstructed22
- unornamented20
- unoxygenated27
- unparalleled21
- unprejudiced32
- unprincipled26
- unprivileged25
- unprogrammed26
- unpronounced24
- unpublicized35
- unpunctuated24
- unquestioned26
- unrecognized30
- unreconciled23
- unregistered17
- unreinforced22
- unremembered24
- unrestrained16
- unrestricted18
- unsanctioned20
- unsegregated19
- unsensitized25
- unsocialized28
- unsterilized25
- unstratified18
- unstructured20
- unsubsidized29
- unsupervised23
- untranslated17
- unvaccinated26
- unvanquished32
- unventilated21
- unverbalized32
- vacationland23
- vasectomized32
- vermiculated25
- waterflooded21
- waterproofed22
- weatherboard21
- whipstitched26
- wholehearted21
- woodenheaded21