11 letters
- microfloral22
- midsagittal18
- migrational18
- ministerial16
- monarchical24
- monochasial21
- monocrystal21
- monolingual21
- multicausal21
- multinomial21
- multiracial20
- mycological26
- mycoplasmal27
- mycorrhizal31
- narrational14
- neanderthal17
- nematicidal20
- nematocidal20
- neocolonial18
- neocortical19
- neurilemmal21
- nomological22
- nonchemical25
- nonclerical21
- nonclinical22
- noncriminal21
- noncritical20
- noncultural20
- noncyclical26
- nonfamilial21
- nonhormonal20
- nonhospital19
- nonintegral17
- nonjudicial28
- nonmaterial17
- nonmetrical20
- nonmystical22
- nonnational16
- nonofficial23
- nonpersonal18
- nonphysical24
- nonrational15
- nonseasonal15
- nonsensical18
- nonskeletal19
- nonsurgical20
- nontemporal20
- nonterminal18
- nontropical20
- nosological19
- notochordal19
- nucleosomal21
- nutritional15
- obsessional16
- obstetrical18
- oecumenical23
- oncological22
- ontological19
- operational16
- orthonormal18
- overarousal17
- overliteral17
- panegyrical23
- pantropical22
- paradisical19
- paradoxical26
- paramedical22
- parasitical18
- parenchymal26
- participial21
- patriarchal20
- patrilineal17
- patrimonial19
- patristical18
- pedagogical23
- pedological22
- penitential17
- penological22
- pentahedral19
- pericardial19
- pericranial19
- periodontal17
- peristomial18
- perithecial20
- peroxisomal25
- pharisaical20
- piscatorial18
- planetoidal18
- polycrystal23
- pomological24
- postcranial19
- postglacial21
- postmarital18
- postnuptial20
- postorbital18
- pragmatical23
- prebiblical25
- preclinical23
- precolonial20
- precritical21
- predoctoral19
- prefectural22
- prejudicial29
- premedieval23
- preprandial20
- prepubertal22
- preterminal19
- previsional20
- probational19
- promotional19
- prophetical23
- protectoral18
- provisional20
- pseudopodal21
- purgatorial18
- puritanical20
- pyramidical24
- quadrennial25
- quadrupedal28
- quincuncial31
- quincunxial35
- radiational14
- reappraisal18
- recessional16
- recommittal21
- redactional17
- reductional18
- referential16
- reportorial15
- residential14
- reverential17
- reversional17
- rhapsodical21
- rheological20
- rickettsial19
- sacramental19
- sacrificial21
- saltatorial13
- salvational18
- sarcolemmal22
- scarlatinal17
- secretarial15
- seigneurial16
- semidiurnal18
- seminatural17
- sempiternal19
- sensational14
- sentimental17
- serological18
- sexagesimal24
- sinological19
- situational14
- sociosexual23
- sodomitical19
- sophistical20
- spermicidal22
- spirochetal20
- statistical15
- strategical17
- subclinical24
- subcortical22
- subcritical22
- subcultural22
- subinterval21
- sublittoral17
- submarginal22
- subnational18
- subrational17
- subregional19
- substantial17
- subterminal20
- subtropical22
- summational20
- superficial22
- supernormal20
- symmetrical23
- synonymical24
- syntactical21
- terrestrial12
- territorial12
- testimonial16
- tetrahedral15
- theological20
- theoretical17
- therewithal19
- thrasonical18
- toploftical22
- topological21
- toponymical24
- traditional14
- transdermal17
- transmittal16
- transsexual21
- transversal17
- trapezoidal25
- trichomonal21
- typological23
- ultracasual18
- uncanonical22
- unclassical21