11 letters
- nympholepsy28
- nympholepts26
- octapeptide21
- orthoepists16
- outsleeping19
- overreports18
- overstepped22
- peacekeeper24
- pepperboxes30
- peppercorns24
- peppergrass22
- pepperiness21
- peppermints24
- pepperminty26
- peppertrees20
- peppinesses21
- pepsinogens21
- perceptible24
- perceptibly26
- perceptions21
- polypeptide24
- prepackaged27
- prepackages26
- preparation18
- preparative21
- preparators17
- preparatory19
- prepayments23
- preplanning23
- preplanting22
- preportions18
- preposition18
- prepositive21
- prepotently21
- preprandial20
- preprepared21
- preprinting21
- preprograms22
- prepubertal22
- prepunching27
- prepurchase23
- procephalic26
- protreptics20
- reaccepting23
- receptacles21
- receptively24
- receptivity23
- redeploying21
- redeposited16
- repacifying25
- repackagers23
- repackaging26
- repanelling20
- reparations15
- repartition15
- repatriated15
- repatriates14
- repatterned16
- repellently20
- repentances19
- repentantly19
- repertoires14
- repertories14
- repetitions15
- repetitious15
- replaceable22
- replacement22
- replastered16
- replenished19
- replenisher18
- replenishes18
- repleteness16
- repleviable23
- replevining23
- replicating21
- replication19
- replicative22
- replicators18
- repolarized25
- repolarizes24
- repolishing20
- repopulated20
- repopulates19
- reportorial15
- reposefully22
- repositions15
- repossessed15
- repossesses14
- repossessor14
- reprehended19
- represented16
- representer15
- repressible18
- repressions15
- reprimanded20
- reprivatize27
- reproachers19
- reproachful24
- reproaching22
- reprobances21
- reprobating20
- reprobation18
- reprobative21
- reprobatory19
- reprocessed18
- reprocesses17
- reproducers19
- reproducing22
- reprogramed20
- reprography23
- reprovingly24
- reprovision19
- republicans23
- republished22
- republisher21
- republishes21
- repudiating19
- repudiation17
- repudiators16
- repugnances22
- repugnantly22
- repulsively23
- repurchased21
- repurchases20
- repurifying23
- reputations16
- rerepeating17
- safekeeping24
- scepticisms23
- scorekeeper21
- separations15
- separatisms17
- separatists14
- septenarius16
- septentrion16
- septicemias20
- septillions17
- sepulchered22
- sepulchring24
- sheepherder19
- sheepshanks23
- sheepsheads19
- shepherdess19
- shepherding22
- shopkeepers23
- sidestepped19
- sidestepper18
- skeptically25
- skepticisms24
- sleeplessly19
- sleepwalked24
- sleepwalker23
- sleepyheads20
- steeplebush21
- steeplejack31
- steepnesses15
- stepbrother19
- stepfathers19
- stephanotis17
- stepladders17
- stepmothers19
- stepparents18
- stepsisters14
- stockkeeper25
- storekeeper18
- subreptions19
- susceptible22
- susceptibly24
- sweepstakes21
- synaloephas20
- telepathies17
- telephoners18
- telephonies18
- telephoning21
- telephonist18
- teleporting18
- teleprinter16
- tepidnesses16
- terneplates16
- terrepleins16
- threepences20
- timekeepers21
- timekeeping24
- timepleaser18
- trepanation16
- trepidation16
- treponemata18
- truepennies17
- underreport17
- unreceptive23
- unrepentant18
- unrepressed17
- unseparated17
- voiceprints22
- wastepapers20
- winepresses18
- zeptosecond28