13 letters
- oversubscribe27
- pancreozymins35
- pantisocratic23
- plantocracies24
- postcranially24
- prescreenings23
- prescriptions23
- procrastinate20
- proscriptions23
- quasicrystals29
- reaccrediting23
- reconsecrated21
- reconsecrates20
- recreationist17
- recriminating23
- recrimination21
- recriminative24
- recriminatory22
- recrudescence25
- recrystallize29
- redescription21
- sacramentally24
- sacrificially26
- sacrosanctity22
- safecrackings29
- scrappinesses23
- scratchboards25
- scrawninesses21
- screenwriters20
- scrimshanders23
- scriptwriters22
- scruffinesses24
- scrumptiously27
- secretagogues21
- secretaryship23
- secretiveness21
- sharecroppers24
- sharecropping27
- shellcrackers27
- stratocracies19
- subscriptions24
- supercriminal25
- supercritical24
- superscribing26
- technocracies25
- thalassocracy24
- thalassocrats19
- transcriptase20
- transcription21
- ultracritical22
- unconsecrated23
- undescribable26