9 letters
- primatial16
- rainmaker17
- rainwater13
- rationale11
- reanimate13
- reattains10
- reimplant17
- reluctant15
- remailing16
- remittals13
- remitting15
- repairman16
- reptilian14
- reptilium17
- restraint10
- resultant12
- retailing13
- retaliate10
- retardant11
- retiarius10
- reticular14
- reticulum18
- retinulae12
- retinular12
- retinulas12
- retirants10
- retitling13
- ritualism14
- ritualist11
- ritualize20
- ruminated15
- ruminates14
- ruminator14
- ruralites11
- ruthenium17
- saintlier11
- semilunar15
- semirural14
- staminate13
- sterilant11
- stimulant15
- stimulate14
- sultanate12
- tablature14
- tailgater12
- tailwater13
- tantalise11
- tantalite11
- tantalize20
- tantalums15
- tarantism13
- tarantula12
- tarletans11
- tarpaulin15
- tarriance13
- tearstain10
- tellurian13
- tellurium16
- tenaculum19
- termagant15
- terminals14
- terminate13
- termitary14
- terrarium13
- tillerman15
- titaniums14
- tormentil14
- trainable14
- trameling16
- tramlines14
- translate11
- transmute14
- traumatic16
- tremulant15
- tribulate14
- tribunate14
- triennial12
- triennium15
- trilinear11
- trimarans13
- trinomial14
- triticale13
- triturate10
- trivalent15
- truculent16
- tuitional12
- tularemia14
- tularemic17
- turbinate14
- turbulent16
- turnstile12
- turntable15
- uintahite13
- uintaites11
- ultimated15
- ultimates14
- ultimatum18
- ultrafine15
- ultraheat13
- ultrapure15
- ultrarare11
- ultrathin14
- umlauting18
- unamiable18
- unclutter16
- unilinear13
- unitarian12
- unitarily14
- unlimited16
- unmanlier16
- unmarried15
- unnatural14
- unreality14
- unruliest13
- untamable18
- uraninite12
- uredinial13
- uredinium16
- urinaries11
- urinemias14
- urticaria13
- utricular15
- vulturine17