13 letters
- grantsmanship25
- granularities18
- granulomatous22
- guanethidines21
- guardianships23
- gynandromorph28
- handcraftsman27
- handcraftsmen27
- handicrafters23
- handkerchiefs29
- handsbreadths23
- handwringings26
- happenchances31
- happenstances26
- hardstandings21
- helmsmanships28
- hereditarians17
- horsemanships24
- housecleaning24
- househusbands24
- humanitarians21
- humanizations30
- hymenopterans25
- hyperromantic27
- hyperurbanism28
- hypervigilant28
- hypoxanthines31
- immanentistic24
- impermanences27
- impermanently27
- implantations22
- inanimateness19
- incandescence26
- incandescents23
- incantational20
- incognizances33
- inconsonances23
- inconstancies22
- inegalitarian18
- infantilities19
- infantilizing31
- inhabitancies23
- inhumannesses22
- inobservances25
- inorganically24
- insanitations16
- insignificant24
- instantaneity18
- instantaneous17
- instantiating18
- instantiation16
- instantnesses16
- insubstantial20
- intangibility23
- intemperances24
- interchangers22
- interchanging25
- intergranular19
- intermembrane24
- interpandemic25
- interplanting22
- intransigeant18
- intransigence21
- intransigents18
- introgressant17
- irrelevancies22
- isoantibodies18
- kleptomaniacs28
- labanotations19
- lamellibranch28
- landownership25
- languidnesses20
- languishingly26
- languishments24
- leishmaniases20
- leishmaniasis20
- lepidopterans22
- librarianship23
- lieutenancies20
- linguistician22
- longanimities21
- lowerclassman25
- lycanthropies25
- magnanimities23
- magnanimously27
- majoritarians26
- malacostracan24
- manageability25
- manifestation21
- manipulatable26
- manipulations23
- mannishnesses21
- manslaughters23
- mantelshelves25
- manufactories24
- manufacturers25
- manufacturing28
- marksmanships29
- mastigophoran24
- mathematician25
- meaninglessly24
- mechanization32
- mediterranean19
- megalomaniacs26
- megalopolitan24
- megasporangia24
- melancholiacs27
- melanizations28
- melanogeneses21
- melanogenesis21
- mercantilisms24
- mercantilists21
- merchandisers23
- merchandising26
- merchandizing35
- metalanguages23
- metaphysician27
- metropolitans21
- microanalyses23
- microanalysis23
- microanalysts23
- microanalytic26
- microbalances27
- micromanagers25
- micromanaging28
- microorganism25
- microplankton29
- misanthropies22
- miscellaneous23
- miscellanists22
- mischanneling27
- mischannelled26
- misdemeanants22
- mismanagement26
- mistranscribe23
- mistranslated19
- mistranslates18
- misunderstand21
- mountebankery28
- mountebanking29
- mucocutaneous26
- multibranched28
- multichannels26
- multiplicands27
- multistranded21
- mundanenesses21
- musicianships26
- nannoplankton26
- necessitarian18
- neuroanatomic22
- nitromethanes20
- nonacceptance28
- nonagenarians19
- nonantibiotic22
- nonappearance25
- nonattendance21
- noncancelable27
- noncandidates21
- noncombatants25
- noncompliance29
- nonimmigrants24
- noninsurances21
- nonintoxicant27
- nonlandowners22
- nonlibrarians20
- nonmanagement25
- nonmanagerial22
- nonmeaningful27
- nonmechanical28
- nonobservance26
- nonphysicians26
- nonpolitician23
- nonrandomness21
- nonresistance19
- nonresistants16
- nonvegetarian22
- nymphomaniacs31
- obscurantisms24
- obscurantists21
- obstetricians20
- oceanographer24
- oceanographic27
- oceanologists20
- octogenarians20
- offhandedness25
- oleandomycins25
- ombudsmanship30
- oneiromancies21
- onomasticians21
- onychophorans27
- opisthobranch27
- organisations17
- organizations26
- organogeneses19
- organogenesis19
- organogenetic22
- ornithischian22
- outdistancing22
- outmaneuvered24
- outmanipulate23