11 letters
- rekeyboards21
- relandscape20
- saddlebreds18
- sandalwoods18
- schoolyards20
- scoreboards18
- scorpaenids19
- screenlands18
- semiliquids26
- sheepsheads19
- shortbreads17
- showerheads19
- silverweeds20
- sisterhoods14
- skateboards19
- sleepyheads20
- smallswords20
- sneezeweeds25
- soundboards18
- soundstages16
- sphenopsids21
- spreadsheet17
- springheads20
- springwoods21
- standstills15
- stewardship20
- stomatopods18
- storyboards17
- strongholds18
- subtrahends19
- summerwoods22
- superboards19
- superfluids21
- sweetbreads18
- switchyards22
- tailorbirds16
- tetrachords17
- tetraploids16
- tillandsias15
- timberheads20
- timberlands20
- trendsetter13
- tumbleweeds23
- turnarounds16
- turtleheads16
- ultrasounds16
- understands16
- underworlds19
- unemployeds23
- victimhoods24
- waterfloods19
- wattlebirds19
- weaverbirds22
- whirlybirds23
- whitebeards20
- whiteboards20
- windscreens20
- windshields20
- windsurfing23
- wingspreads21
- wonderlands19
- woodenheads19
- woodshedded20
- workarounds21
- wraparounds20
- wunderkinds23
- yellowwoods22