11 letters
- positivists18
- positronium19
- possessedly18
- possessions15
- possessives18
- possibility20
- postclassic21
- postcollege21
- postconcert21
- postcranial19
- postdivorce22
- postediting18
- posteriorly17
- posterities14
- postforming23
- postglacial21
- postharvest20
- postholiday20
- postillions17
- postlanding20
- postmarital18
- postmarking24
- postmasters17
- postmortems20
- postnatally19
- postnuptial20
- postorbital18
- postponable22
- postprimary22
- postpuberty23
- postscripts20
- postseasons15
- postsyncing23
- posttension16
- postulating19
- postulation17
- postulators16
- postvocalic25
- postweaning21
- potableness19
- potentially19
- potentiated16
- potentiates15
- potentiator15
- potentillas17
- pothuntings21
- potlatching23
- potshotting19
- potteringly20
- pourparlers19
- poussetting18
- powerbroker24
- powerhouses20
- powerlessly21
- predisposed19
- predisposes18
- preportions18
- preposition18
- prepositive21
- prepotently21
- presupposed22
- presupposes21
- proportions18
- proposition18
- propounders20
- propounding23
- prosauropod19
- pseudopodal21
- pseudopodia20
- purportedly22
- purposeless19
- purposively25
- quadrupoles27
- rapporteurs18
- realpolitik20
- reappointed19
- reapportion18
- recomposing23
- redeposited16
- redisposing18
- reexporting24
- reexposures22
- reimporting20
- repolarized25
- repolarizes24
- repolishing20
- repopulated20
- repopulates19
- reportorial15
- reposefully22
- repositions15
- repossessed15
- repossesses14
- repossessor14
- respondents17
- responsible19
- responsibly21
- responsions16
- rudderposts17
- saponaceous19
- saponifiers18
- saponifying23
- scopolamine22
- semipopular22
- semipostals18
- signposting20
- silverpoint20
- spoilsports18
- spokeshaves24
- spokeswoman25
- spokeswomen25
- spoliations16
- spondylitis19
- spongewares20
- sponsorship20
- spontaneity18
- spontaneous17
- spoonerisms18
- sporogenous18
- sporogonies17
- sporogonium21
- sporophores19
- sporophylls23
- sporophytes21
- sporophytic24
- sporozoites23
- sportscasts17
- sportsmanly21
- sportswoman21
- sportswomen21
- sporulating19
- sporulation17
- sporulative20
- spotlighted20
- standpoints17
- stomatopods18
- stylopodium22
- subpoenaing22
- superimpose21
- superpolite19
- superposing21
- superpowers21
- superweapon22
- supportable22
- supposition19
- suppository20
- symposiarch24
- symposiasts19
- tablespoons19
- teaspoonful20
- teleporting18
- teliospores15
- temporality20
- temporalize27
- temporaries17
- temporarily20
- temporising20
- temporizers26
- temporizing29
- tenpounders18
- terpolymers20
- tetraspores14
- tetrasporic17
- topocentric21
- topographer21
- topographic24
- topological21
- topologists17
- toponymical24
- toponymists20
- totipotency20
- trampoliner19
- trampolines19
- transponder17
- transported16
- transportee15
- transporter15
- transposing18
- transposons16
- treponemata18
- tropomyosin20
- tropopauses18
- troposphere19
- typographed24
- typographer23
- typographic26
- typological23
- typologists19
- underexpose24
- underreport17
- unimportant20
- unpolarized27
- unpolitical21
- unsupported21
- urediospore16
- uredospores16
- vanpoolings23
- vaporizable31
- waterpowers20
- waterspouts18