11 letters
- omnipresent19
- outstripped19
- overslipped23
- overtipping24
- ovipositing21
- oviposition19
- ovipositors18
- participant21
- participate20
- participial21
- participles21
- partnership20
- pastorships19
- penmanships24
- percipience24
- percipients21
- peripatetic20
- peripatuses18
- peripeteias17
- peripherals20
- peripheries19
- periphrases19
- periphrasis19
- periphytons22
- piperazines27
- piperidines19
- pipsissewas20
- plenipotent20
- pluripotent20
- polydipsias21
- postscripts20
- praetorship19
- precipitant21
- precipitate20
- precipitins21
- precipitous21
- premiership22
- primateship22
- primiparous21
- princeships23
- principally25
- proctorship22
- readerships17
- reciprocals21
- reciprocate20
- reciprocity22
- rectorships19
- reequipment28
- reequipping30
- ripsnorters15
- ripsnorting18
- schipperkes26
- scholarship22
- scriptorium21
- seamanships20
- semipopular22
- semipostals18
- semiprivate21
- senatorship17
- serendipity18
- shipbuilder22
- shipfitters19
- shipmasters19
- shipwrecked27
- shipwrights23
- showmanship25
- sideslipped20
- sideswiping21
- slipforming24
- slipperiest18
- slipstreams18
- sniperscope21
- snippetiest18
- soldiership18
- solipsistic18
- sopaipillas19
- speakership23
- sponsorship20
- stewardship20
- stipendiary18
- stipulating19
- stipulation17
- stipulators16
- stipulatory18
- stripteaser14
- stripteases14
- studentship19
- submultiple24
- superscript21
- suretyships19
- tippytoeing22
- tipsinesses15
- totipotency20
- traineeship17
- transcripts18
- transhipped21
- tribuneship21
- triphthongs21
- tripletails16
- triplicated19
- triplicates18
- triploidies16
- trusteeship17
- typescripts22
- uniparental18
- velocipedes23
- viceroyship25
- viewerships23
- vilipending24
- vizierships29
- wardenships21
- whippletree23
- workmanship27
- worshipless20
- worshippers22
- worshipping25
- xiphisterna24