13 letters
- intenerations16
- intentionally20
- interactional19
- interactively24
- intercalating21
- intercalation19
- interceptions21
- intercortical21
- interdictions19
- interestingly20
- intergalactic23
- intergrafting22
- interiorities14
- interjections27
- interknitting22
- internalities16
- international17
- interoceptive24
- interparticle21
- interplanting22
- interpolating21
- interpolation19
- interpolative22
- interposition18
- interrelating18
- interrelation16
- interrogating19
- interrogation17
- interrogative20
- interruptible22
- interruptions19
- intersections18
- interstimulus20
- interstratify19
- intertillages18
- intertwisting20
- interventions20
- intimidations19
- intoxications25
- intragalactic23
- intrepidities18
- introductions20
- introjections27
- introspecting23
- introspection21
- introspective24
- intuitionisms19
- intuitionists16
- intuitiveness20
- invaginations22
- invalidations21
- invectiveness26
- inventiveness24
- investigating23
- investigation21
- investigative24
- investigators20
- investigatory22
- inviabilities22
- invigilations22
- invigorations21
- invitationals20
- iontophoretic22
- irrationalism18
- irrationalist15
- irrationality17
- irresolutions16
- isoagglutinin21
- isoantibodies18
- isolationisms18
- isolationists15
- isomerization26
- isosmotically23
- isostatically20
- isotonicities17
- italicization27
- jollification31
- judgmatically36
- jurisdictions28
- justification30
- justificative33
- justificatory31
- juxtaposition34
- kinematically28
- labanotations19
- labialization28
- lastingnesses18
- laterizations24
- latinizations25
- latitudinally21
- legalizations27
- legislatively24
- legitimations20
- legitimatized29
- legitimatizes28
- liberationist18
- lignification24
- liltingnesses19
- linearization25
- linguistician22
- liquefactions31
- lithification23
- litigiousness18
- liveabilities22
- localizations28
- lockstitching29
- logogrammatic27
- longanimities21
- loutishnesses18
- lucrativeness23
- luteinization26
- lymphadenitis26
- lymphatically31
- lymphoblastic31
- machicolation26
- magistratical22
- magnanimities23
- magnetization29
- magnetostatic22
- magnification26
- mailabilities21
- malabsorption24
- maladaptation22
- malformations24
- malfunctioned27
- malnutritions20
- malversations22
- manifestation21
- manipulations23
- marginalities20
- martyrization28
- masculinities22
- masticatories19
- mastigophoran24
- mastoiditides18
- masturbations21
- materialistic20
- materialities17
- mathematician25
- mathematizing33
- matriculating24
- matriculation22
- maximizations36
- mechanization32
- meetinghouses22
- megaloblastic26
- melanizations28
- melodramatics24
- melodramatise21
- melodramatist21
- melodramatize30
- meltabilities21
- memorizations29
- menstruations19
- mercantilisms24
- mercantilists21
- mercerization29
- metachromatic27
- metafictional24
- metallization28
- metasomatisms22
- meteoriticist19
- microanalytic26
- microclimatic29
- microparticle26
- miniaturistic21
- minimizations30
- ministrations18
- misallocating24
- misallocation22
- misarticulate21
- misassumption24
- miscaptioning26
- miscegenation23
- miscibilities23
- misconception27
- misconducting28
- misconnecting27
- misconnection25
- misdirections21
- miseducations22
- misestimating22
- misestimation20
- misevaluating25
- misevaluation23
- misfunctioned26
- misidentified22
- misidentifies21
- misperception26
- mispositioned21
- misquotations27
- mobilizations30
- modernisation19
- modernization28
- modifications24
- mollification25
- monetizations27
- monochromatic28
- monogrammatic28
- monopsonistic24