1. neurology the branch of medicine that deals with the nervous system
  2. numerology the study of the supposed occult influence of numbers on human affairs
  3. metrology the scientific study of measurement
  4. petrology the branch of geology that studies rocks: their origin and formation and mineral composition and classification
  5. necrology a list of people who died recently
  6. futurology the study or prediction of future developments on the basis of existing conditions
  7. patrology the study of the lives, writings, and doctrines of the Church Fathers
  8. nephrology the branch of medicine concerned with the kidney - its development and anatomy and physiology and disorders
  9. trilogy a set of three literary or dramatic works related in subject
  10. hydrology the branch of geology that studies water on the earth and in the atmosphere: its distribution and uses and conservation
  11. meteorology the earth science dealing with phenomena of the atmosphere
  12. heterology the lack of correspondence of apparently similar body parts
  13. tetralogy a series of four related works (plays or operas or novels)
  14. neutral having no personal preference
  15. astrology divination by the positions of the planets and sun and moon
  16. neutrality nonparticipation in a dispute or war
  17. soteriology the branch of Christian theology that deals with salvation as the effect of a divine agency
  18. natrolite a group of minerals of the zeolite family consisting of a hydrous silicate of sodium and aluminum
  19. neutralize make ineffective by counterbalancing the effect of
  20. natural gas a fossil fuel in the gaseous state