9 letters
- retroacts12
- retrodict13
- rigadoons13
- roborants13
- rogations12
- romantics16
- rotations10
- rotatores9
- sainthood13
- satinwood14
- scorecard16
- serration10
- sonicated14
- sortition10
- stationed11
- stationer10
- stoccados16
- striation10
- strontias10
- suctorian14
- syntactic18
- taconites13
- tandooris11
- tectonics16
- tetracids13
- titrators9
- toadstone11
- tonsorial11
- toreadors10
- tornadoes11
- torridest10
- torsional11
- tortricid13
- toxicants20
- tractions13
- tradition11
- transited11
- transonic14
- transport13
- trapdoors13
- tricolors13
- tricornes13
- trictracs15
- trimotors12
- trisector12
- trochaics17
- trochoids15
- turncoats14
- urticants14
- vasotocin17
- vocations17