13 letters
- fiberglassing25
- fibrinolysins24
- foresightedly24
- fossiliferous21
- fossilization27
- frontogenesis20
- galactosidase20
- gametogenesis21
- gasifications22
- generalissimo20
- geophysically29
- geophysicists25
- gossipmongers24
- grandiosities17
- greensickness24
- hairdressings19
- harquebusiers29
- heartsickness23
- helminthiasis22
- hematopoiesis21
- heterozygosis28
- hospitalising22
- hyperesthesia22
- hyperhidrosis23
- hyperkinesias25
- hyperparasite23
- hyperphysical31
- hypertensions22
- hypertensives25
- hyposensitize30
- hypothesizing34
- illusionistic20
- immortalising23
- immunogenesis24
- impassibility25
- impassiveness24
- impassivities23
- impecuniosity26
- impermissible26
- impermissibly28
- impetuosities20
- impossibility25
- impressionism23
- impressionist20
- impulsiveness26
- impulsivities25
- inclusiveness24
- inconsiderate19
- inconsistence22
- inconsistency24
- incuriosities18
- indisposition19
- inexpensively32
- inexpressible28
- inexpressibly30
- infeasibility23
- infinitesimal22
- infusibleness23
- inoffensively28
- inquisitional26
- inquisitively31
- inquisitorial25
- insensibility21
- insensitively22
- insensitivity21
- insidiousness17
- insignificant24
- insincerities18
- insinuatingly22
- intensionally20
- intensiveness20
- intercessions18
- intercrossing20
- interiorising17
- intermissions18
- internalising19
- interposition18
- intersessions15
- interspersing20
- interspersion18
- intransigeant18
- intransigence21
- intransigents18
- intrinsically22
- introgression17
- introgressive20
- intromissions18
- introversions19
- intrusiveness20
- invisibleness23
- iontophoresis19
- ipsilaterally21
- irrepressible20
- irrepressibly22
- irresponsible21
- irresponsibly23
- juxtaposition34
- kinesiologies21
- lackadaisical26
- leishmaniasis20
- leptospirosis20
- lithotripsies19
- lymphocytosis29
- lymphomatosis27
- malocclusions26
- masculinising25
- massivenesses21
- mastersingers19
- materialising20
- melanogenesis21
- memorialising23
- merchandising26
- metamorphosis24
- metaphysician27
- metastasizing28
- microanalysis23
- microphysical30
- microporosity24
- misaddressing21
- misclassified24
- misclassifies23
- misdiagnosing23
- misemphasized34
- misemphasizes33
- misidentified22
- misidentifies21
- misimpression23
- misinterprets20
- mispositioned21
- mononucleosis23
- monstrosities17
- morphogenesis24
- mountainsides20
- musicianships26
- musicological27
- musicologists23
- myelofibrosis25
- nationalising19
- nearsightedly22
- necessitarian18
- necessitating20
- necessitation18
- necessitously21
- neoclassicism24
- neoclassicist21
- nonadmissions20
- nonaggression20
- nonaggressive23
- noncellulosic25
- nonclassified23
- nonconclusion25
- nondecreasing22
- nondeposition20
- nondiapausing23
- nondiffusible27
- nondiscursive24
- nondispersive23
- nonexplosives30
- noninclusions22
- nonincreasing22
- nonpermissive25
- nonpersistent19
- nonphysicians26
- nonpossession19
- nonresidences20
- nonresistance19
- nonresistants16
- nonresponsive23
- nonreversible23
- nonsensically23
- nonsubsidized30
- nonuniversity23
- normotensives22
- nucleocapsids26
- nympholepsies28
- obsessionally21
- obsessiveness21
- obtrusiveness22
- offensiveness25
- oppositionist20
- organogenesis19
- ossifications20
- overdesigning24
- overdiversity24
- overemphasize34
- overexpansion29
- overextension26
- overfocussing27
- overinsistent19
- overintensity21
- overpromising26
- oversensitive22
- overstressing20
- ovipositional22
- paraesthesias18
- parasitically23
- parasiticidal21
- parasiticides20
- parasitologic22
- parasynthesis21