11 letters
- reinstating15
- reluctating19
- reluctation17
- remigration17
- reminiscing21
- reobtaining18
- repartition15
- replicating21
- replication19
- repudiating19
- repudiation17
- reputations16
- resignation15
- resummoning22
- retroacting17
- romanticise18
- romanticism21
- romanticist18
- romanticize27
- ropedancing22
- routinizing25
- ruminations17
- rusticating18
- rustication16
- scuppernong25
- semiotician18
- straitening15
- supernation17
- tautomerism18
- temporising20
- temporizing29
- teratogenic17
- terminating18
- termination16
- termitarium18
- teutonizing25
- tippytoeing22
- tournaments17
- transecting18
- transection16
- transmuting19
- trapnesting18
- trepanation16
- trepidation16
- truncations17
- tumefaction22
- tumorigenic21
- unanimities17
- uncaptioned21
- uncertainty19
- uncinematic23
- uncommitted23
- underacting20
- unempirical23
- unidiomatic20
- unification20
- unimportant20
- uninitiated15
- uninitiates14
- unitization23
- unmitigated19
- unpatriotic19
- unpromising22
- unremitting19
- unstrapping22
- uppercasing24
- urtications16
- wiretapping23