13 letters
- moribundities22
- multibuilding27
- multitudinous22
- myocarditises22
- nidifications22
- nonaccredited23
- nonadditivity23
- noncandidates21
- noncorrodible23
- noncorrodings22
- nondialyzable32
- nondiapausing23
- nondiffusible27
- nondiplomatic26
- nondisclosure21
- nondiscursive24
- nondispersive23
- nondisruptive24
- nonhereditary20
- nonindigenous21
- nonindividual24
- nonirradiated17
- nonsubsidized30
- nonvalidities21
- outdistancing22
- outrebounding23
- outstandingly22
- overdemanding26
- overdirecting24
- overdiscounts23
- overdiversity24
- overexpanding32
- overextending29
- overmedicated25
- overmedicates24
- overspreading24
- paediatrician21
- pediatricians21
- pentaploidies22
- periodicities20
- periodization27
- perpendicular26
- phencyclidine30
- photooxidized36
- photooxidizes35
- photoperiodic25
- platitudinize29
- platitudinous21
- plenitudinous22
- polybutadiene25
- postdiluvians24
- preconditions22
- predicatively27
- predigestions20
- predilections22
- predischarged25
- predischarges24
- prejudicially34
- premeditating23
- premeditation21
- premeditative24
- premeditators20
- preordination19
- proboscidians24
- prodigalities20
- propagandists23
- propagandized33
- propagandizer32
- propagandizes32
- prostaglandin22
- prudishnesses21
- quasiperiodic30
- radiationless16
- radicalnesses19
- radioactively24
- radioactivity23
- radiobiologic23
- radiochemical26
- radiochemists22
- radioelements19
- radiographies21
- radiographing24
- radioisotopes17
- radioisotopic20
- radiolabeling22
- radiolabelled21
- radionuclides21
- radiothoriums20
- reaccrediting23
- reconditeness19
- reconditioned20
- rectitudinous20
- reddishnesses18
- rededications19
- redintegrated18
- redintegrates17
- rediscounting22
- rediscoveries21
- rediscovering24
- redisposition18
- redistributed19
- redistributes18
- redistricting20
- reindictments22
- rekeyboarding26
- remediability23
- resolidifying23
- retrodictions18
- rhapsodically26
- rockhoundings28
- rubicundities23
- rudimentarily22
- ruggedization29
- rutherfordium24
- sailboardings21
- sedimentation19
- sedimentology23
- seditiousness16
- semiaridities17
- semidiameters20
- serendipities18
- serendipitous19
- serodiagnoses17
- serodiagnosis17
- sheepherdings24
- shipbuildings27
- skateboarding24
- slaveholdings25
- smallholdings25
- snowboardings24
- spasmodically27
- splendiferous23
- standardising19
- standardizing28
- stipendiaries18
- storyboarding22
- studiednesses17
- subdiscipline26
- subdistricted22
- submandibular27
- subordinately22
- subordinating22
- subordination20
- subordinative23
- subordinators19
- subsidization28
- sulfadiazines29
- superaddition20
- superdiplomat25
- superfluidity25
- superordinate19
- synarthrodial20
- tediousnesses16
- tetraploidies18
- threadinesses17
- thyroiditises18
- traditionally19
- traditionless16
- tragicomedies22
- turbidimeters21
- turbidimetric24
- typefoundings27
- ultradistance20
- ultraradicals20
- unadjudicated31
- unconditional22
- unconditioned22
- uncoordinated21
- understanding21
- undiagnosable23
- undialectical24
- undisciplined25
- undiscouraged23
- undisguisedly23
- undissociated20
- undistributed21
- unhandicapped29
- unhandinesses20
- unnilquadiums32
- unpredictable26
- unpredictably28
- unreadinesses17
- untraditional18
- urediniospore19
- valedictorian23
- valedictories22
- vasodilations20
- vendibilities23
- waterflooding24
- xenodiagnoses25
- xenodiagnosis25