9 letters
- sonicated14
- squinnied22
- stounding15
- suctioned15
- tenacious14
- tendinous13
- tensioned12
- thionines13
- tolidines12
- toluidine13
- toluidins13
- uncounted17
- uninvited17
- unionised13
- unionises12
- unionists12
- unionized22
- unionizes21
- unjointed22
- unkindest17
- unnoticed16
- unscented16
- unsounded15
- unstained13
- unstinted13
- unstudied14
- untidiest12
- untrodden14
- unvisited16
- videodisc18