14 letters
- karyotypically32
- keratinophilic28
- knickerbockers36
- legalistically25
- lexicalisation27
- lexicalization36
- lexicographers32
- lexicographies32
- licentiousness21
- lichenological28
- lichenologists24
- lignifications25
- linguistically26
- linguisticians23
- lithifications24
- lithologically27
- lovesicknesses27
- lysogenicities23
- machicolations27
- macroeconomics30
- magnetospheric28
- magnifications27
- manometrically28
- mariculturists23
- mathematically29
- mathematicians26
- matriculations23
- megakaryocytic33
- megascopically32
- mercantilistic25
- meretriciously24
- metafictionist24
- metalinguistic25
- metallographic29
- metaphorically29
- metaphysically31
- metaphysicians28
- metastatically24
- metathetically26
- meteoriticists20
- meteorological24
- methodicalness25
- methodological27
- meticulosities22
- meticulousness24
- metronomically28
- microanatomies24
- microbarograph30
- microbiologies26
- microbiologist26
- microbreweries26
- microcassettes23
- microcephalics32
- microcephalies29
- microcircuitry29
- microcomputers30
- microeconomics30
- microelectrode25
- microevolution27
- microfibrillar28
- microfilaments28
- microgravities26
- microinjecting36
- microinjection34
- micrometeorite23
- micrometeoroid24
- microminiature25
- micronucleuses27
- micronutrients23
- microorganisms26
- microparticles27
- microplanktons30
- microprocessor26
- microprojector35
- micropublisher30
- micropulsation26
- micropunctures29
- microspherical29
- microsporangia26
- microsporocyte28
- microstructure25
- microsurgeries23
- microtechnique36
- misapplication28
- misarticulated23
- misarticulates22
- mitogenicities23
- mollifications26
- monocarboxylic37
- monolithically28
- monophonically31
- monotheistical24
- monotonicities22
- moralistically25
- morganatically27
- mortifications24
- multichambered31
- multicharacter27
- multicomponent30
- multiconductor28
- multiplication27
- multiplicative30
- multiplicities26
- mummifications31
- municipalities26
- municipalizing38
- musicalization32
- mutagenicities24
- myelencephalic33
- myrmecological32
- mystifications26
- mythologically31
- narratological22
- neoclassicisms25
- neoclassicists22
- neoplasticisms25
- neoplasticists22
- nephrotoxicity32
- neurochemicals28
- neurogenically26
- neurologically26
- nitrifications22
- nonantibiotics23
- noncharismatic27
- noncomplicated30
- nonconflicting30
- nonelectronics24
- nongeometrical25
- nongrammatical28
- nonhandicapped30
- nonhygroscopic31
- nonideological24
- nonimplication27
- nonjusticiable33
- nonmechanistic28
- nonparticipant26
- nonpolitically27
- nonpoliticians24
- nonpsychiatric29
- nonrestrictive23
- nonsignificant26
- nonstatistical20
- nonsymmetrical28
- nontheological25
- nontheoretical22
- nontherapeutic25
- novelistically27
- nullifications25
- numismatically29
- oligopsonistic24
- omnicompetence31
- oncogenicities24
- ophthalmologic31
- optimistically27
- optoelectronic25
- organismically27
- organometallic25
- ornithological24
- orthochromatic27
- orthographical27
- orthopedically27
- oscillographic29
- osteoarthritic19
- outpoliticking29
- overanalytical26
- overarticulate23
- overcomplicate31
- overidealistic23
- overmedicating28
- overmedication26
- overoptimistic27
- overparticular26
- oversimplistic28
- oversolicitous23
- oversuspicious26
- oxymoronically34
- pacifistically30
- paediatricians22
- paleobotanical26
- paleographical29
- parabiotically27
- paradisaically25
- paradoxicality31
- paralinguistic25
- parametrically27
- paratactically27
- parthenocarpic29
- participations24
- particleboards25
- particularised23
- particularises22
- particularisms25
- particularists22
- particularized32
- particularizes31
- pathologically29
- penicillamines27
- penicillinases24
- pericarditides22
- peritrichously26