One Word Substitution

  • Study of earth and rocks — Geology.
  • Study of living things — Biology.
  • Study of celestial bodies —Astronomy.
  • Study of the influence of planets and stars — Astrology.
  • Scientific study of bodily diseases — Pathology.
  • Study of languages — Philology.
  • Study of bees — Apiology.
  • Study of heart/heart diseases — Cardiology.
  • Study of dogs — Cynology.
  • Study of trees — Dendrology.
  • Study of religion — Theology.
  • Study of heredity — Genetics.
  • Study of coins — Numismatics.
  • Study of birds — Ornithology.
  • Study of human development — Anthropology.
  • Study of science of insects — Entomology.
  • Study of problems of old age — Gerontology.
  • Study of relation between organism and environment — Ecology.
  • Study of flying aeroplanes — Aviation.
  • Study of skin/skin diseases — Dermatology.
  • Study of wine/wine making — Enology/Oenology.
  • Study of cats — Felinology.
  • Study of medicine for women — Gynecology/ Gynaecology.
  • Study of arthropod and reptiles — Hepatology.
  • Study ofhorses — Hippology.
  • Study of water — Hydrology.
  • Study of weather — Meteorology.
  • Study of kidneys and their diseases — Nephrology.
  • Study of nerves — Neurology.
  • Study of cancer — Oncology.
  • Study of eggs — Oology.
  • Study of eyes — Ophthalmology.
  • Study of mountains and their mapping — Orology
  • Study of bones — Osteology.
  • Study of rocks — Petrology.
  • Study of earthquakes — Seismology.
  • Study of snakes — Serpentology.
  • Study of mouth and its diseases — Stomatology.
  • Study of poisons (w) — Toxicology.
  • Study of flags – Vexillology.
  • Study of animals — Zoology.
  • Study of medicine for children and their diseases—Paediatrics/Pediatrics.
  • Study of broken bones — Orthopaedics.
  • Study of hand writing — Graphology.
  • Art of good handwriting — Calligraphy.
  • A written message from far off place — Telegraph.
  • An expert in writing by hand — Chirographer.
  • A person who write dictionaries — Lexicographer.
  • Written by light — Photograph.
  • An expert in writing (drawing) maps — Cartographer
  • Writing of one’s life story —Biography.
  • Writing of one’s won life story — Autobiography.
  • Process of printing from a plate — Lithography.
  • Self-rule or control — Autonomy.
  • A self moving vehicle — Automobile.
  • A machine that functions by itself — Automatic.
  • A signature of oneself — Autograph.
  • One with unlimited power — Autocrat.
  • Love for mankind — Philanthropy.
  • One who loves books as collection — Bibliophile.
  • One who loves women — Philogyny.
  • One who loves men — Androphile.
  • One who loves wisdom — Philosopher.
  • One who is all powerful — Omnipotent
  • Almighty One who is all knowing — Omniscient.
  • One who is present all over — Omnipresent.
  • One who eats all kinds of food — Omnivorous.
  • A book containing all the published work of an author —Omnibus.
  • Study of religion — Theology.
  • One who believes in God — Theist.
  • One who believes in one God —Monotheist.
  • One who believes in many Gods — Polytheist.
  • One who believes the presence of God in everything in the universe– Pantheist.
  • Practicing only one marriage (having only one wife) — Monogamy.
  • Practicing two marriages — Bigamy.
  • Practicing several marriages (having many wives) — Polygamy.
  • One who hates marriage — Misogamy.
  • Having several husbands — Polyandry.
  • One who hates men — Misandrist.
  • People who have both male and female sexual organs — Gynandries.
  • People having both male and female characteristics — Androgynous.
  • The study of human development — Anthropology.
  • One who hates women — Misogynist.
  • One who hates marriage — Misogamist.
  • One who loves his fatherland (country) — Patriot.
  • One who loves mankind — Philanthropist.
  • One who hates humans — Misanthrope.
  • One who hates men — Misandrist.
  • An inheritance from father — Patrimony.
  • The state of being father — Paternity.
  • The killing of a father — Patricide.
  • A system ruled by father/men — Patriarchy.
  • The rule or control of mother — Matriarchy.
  • The killing of a whole race — Genocide.
  • The killing of a new born child — Infanticide.
  • The killing of a king — Regicide.
  • The killing of a human being — Homicide.
  • The killing of oneself — Suicide.
  • The killing of a mother — Matricide.
  • The school or college one attends — Alma Mater.
  • The killing of one’s own brother — Fratricide.
  • The killing of one’s sister — Sororicide.
  • The killing of one’s wife — Uxoritide.
  • The killing of one’s husband — Mariticide.
  • The killing of parents — Parricide.
  • To walk aimlessly — Amble.
  • A baby carriage — Perambulator (Pram).
  • Carriage for sick people — Ambulance.
  • One who walks in sleep — Somnambulist.
  • One who walks at night — Noctambulist.
  • One who walks on ropes — Funambulist.
  • Living on flesh — Carnivorous.
  • Living on grass — Herbivorous.

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