22 letters
21 letters
20 letters
19 letters
18 letters
- ethnomusicological35
- geochronologically36
- histophysiological34
- immunopathological38
- lepidopterological33
- micromorphological39
- neurophysiological34
- neuropsychological37
- nonanthropological33
- ophthalmologically39
- pathophysiological37
- phenomenologically38
- physiopathological37
- psychopathological40
- roentgenologically32
- sedimentologically33
- sociopsychological38
17 letters
- anthropologically33
- antitechnological31
- bacteriologically33
- biometeorological30
- characterological32
- dialectologically32
- epidemiologically34
- epistemologically33
- histopathological31
- metapsychological37
- microbiologically36
- neuropathological31
- neuroradiological27
- otolaryngological30
- paleopathological33
- parapsychological37
- parasitologically30
- pharmacologically38
- phytopathological36
- phytosociological34
- radiobiologically31
- symptomatological35
16 letters
- archaeologically31
- biotechnological32
- chronobiological32
- climatologically33
- criminologically33
- ecophysiological33
- endocrinological29
- epizootiological35
- eschatologically31
- geochronological31
- geomorphological33
- ichthyologically35
- meteorologically29
- methodologically32
- nonchronological31
- nonpsychological35
- ophthalmological34
- ornithologically29
- phenomenological33
- pretechnological32
- psychobiological36
- roentgenological27
- sedimentological28
- terminologically30
15 letters
- anthropological28
- archeologically30
- bacteriological28
- chronologically31
- dialectological27
- ecclesiological29
- embryologically33
- entomologically29
- epidemiological29
- epistemological28
- hydrobiological30
- illogicalnesses24
- immunologically33
- microbiological31
- mineralogically29
- morphologically33
- neurobiological27
- nonbiologically30
- paleobiological29
- paleoecological29
- paleontological27
- paleozoological35
- palynologically32
- parasitological25
- pharmacological33
- photobiological30
- photogeological29
- physiologically32
- psychologically35
- radiobiological26
- sociobiological28
- stereologically25
- technologically31
- toxicologically35
- unchronological30
14 letters
- aerobiological24
- archaeological26
- astrologically24
- climatological28
- cosmologically30
- criminological28
- cryobiological29
- dermatological25
- eschatological26
- etymologically29
- genealogically27
- gerontological24
- herpetological26
- histologically26
- hydrologically29
- ichthyological30
- illogicalities22
- lichenological28
- lithologically27
- meteorological24
- methodological27
- myrmecological32
- mythologically31
- narratological22
- neurologically26
- nonideological24
- nontheological25
- ornithological24
- pathologically29
- petrologically27
- phenologically30
- philologically30
- phonologically30
- phraseological26
- planetological26
- primatological27
- pteridological25
- radiologically25
- semasiological24
- semiologically27
- sociologically27
- soteriological21
- tautologically25
- teleologically25
- terminological25
- thanatological24
- tropologically27
- vexillological34
- volcanological30
13 letters
- archeological25
- autecological24
- axiologically30
- cardiological24
- chronological26
- codicological27
- cohomological28
- cryptological28
- cytologically28
- demonological25
- dendrological23
- deontological22
- embryological28
- entomological24
- etiologically23
- exobiological30
- futurological25
- glaciological26
- graphological27
- gynecological28
- hematological25
- homologically28
- ideologically24
- illogicalness22
- immunological28
- logicalnesses21
- malacological27
- mineralogical24
- morphological28
- musicological27
- mycologically31
- nematological24
- nonbiological25
- nosologically24
- numerological25
- ontologically24
- orismological23
- palynological27
- phrenological26
- physiological27
- praxeological30
- prebiological26
- proctological26
- psephological28
- psychological30
- rheologically25
- seismological23
- selenological22
- serologically23
- somatological23
- speleological24
- stereological20
- synecological26
- technological26
- teratological20
- theologically25
- topologically26
- toxicological30
- typologically28
- unideological23
- virologically27
12 letters
- analogically23
- anthological22
- astrological19
- audiological21
- biologically25
- cosmological25
- dialogically23
- ecologically25
- ethnological22
- etymological24
- extralogical26
- genealogical22
- geologically24
- hagiological23
- histological21
- hydrological24
- iconological23
- illogicality22
- karyological25
- limnological24
- lithological22
- logicalities19
- metrological22
- museological23
- mythological26
- necrological23
- neurological21
- osteological19
- pathological24
- petrological22
- phenological25
- philological25
- phonological25
- phycological29
- radiological20
- scatological22
- semiological22
- sociological22
- tautological20
- teleological20
- tribological22
- tropological22
- unecological24
- zoologically31
11 letters
- abiological21
- algological21
- antilogical19
- axiological25
- biologicals21
- bryological23
- cytological23
- ethological20
- etiological18
- gemological23
- homological23
- horological20
- ideological19
- illogically22
- logicalness19
- mycological26
- nomological22
- nosological19
- oncological22
- ontological19
- pedological22
- penological22
- pomological24
- rheological20
- serological18
- sinological19
- theological20
- topological21
- typological23
- virological22
10 letters
9 letters
8 letters
7 letters