- parasitology20
- pathobiology25
- pathology19
- pathophysiology32
- pedology17
- penology17
- periodontology24
- petrology17
- pharmacology28
- phenology20
- phenomenology28
- philology20
- phlebology24
- phonology20
- photobiology25
- photogeology24
- phraseology21
- phrenology21
- phycology24
- physiology22
- physiopathology32
- phytopathology31
- phytosociology29
- planetology21
- pneumatology25
- pomology19
- posology16
- praxeology25
- primatology22
- proctology21
- protozoology29
- psephology23
- psychobiology31
- psychology25
- psychopathology35
- psychopharmacology44
- psychophysiology38
- pteridology20
- pyrology18
- radiobiology21
- radioecology21
- radiology15
- reflexology27
- rheology15
- rheumatology23
- roentgenology22
- scatology17
- sedimentology23
- seismology18
- selenology17
- semasiology19
- semeiology18
- semiology17
- serology13
- sexology20
- sinology14
- sitology13
- sociobiology23
- sociology17
- somatology18
- soteriology16
- speleology19
- stereology15
- symbology22
- symptomatology30
- synecology21
- tautology15
- technology21
- teleology15
- teratology15
- terminology20
- tetralogy14
- thanatology19
- theology15
- tocology16
- tokology17
- topology16
- toxicology25
- tribology17
- trichology20
- trilogy12
- typology18
- ufology16
- urbanology20
- urology13
- vexillology29
- victimology26
- virology17
- volcanology25
- vulcanology26
- zoology21
- zymology27