10 letters
- promulgate20
- prothallia17
- pyrometric21
- ramparting19
- reallocate15
- reciprocal20
- relational13
- relocating17
- reparation14
- replicator17
- rhetorical16
- rigamarole16
- rigmaroles16
- saltarelli13
- saltarello13
- saltcellar16
- sarcolemma20
- scleromata17
- sclerotial15
- scrimmager21
- spermatial17
- tamarillos15
- tarmacadam20
- temporally20
- thermogram20
- tracheolar16
- tragically19
- tramelling18
- trammeling20
- trampoline18
- trilateral12
- tropically20
- ultramicro18
- vacillator19
- variegator16
- vorticella19