One Word Substitution

 The use of a single word to replace a phrase or a group of words without changing the meaning is called One-word substitution. It is commonly used to make language more concise and efficient. Some examples are given below:

    (a) Study

Study of religion- Theology

Study of hereditary- Genetics

Study of coins- Numismatics

Study of birds- Ornithology

Study of the science of insects- Entomology

Study of problems of old age- Gerontology

Study of flying airplanes- Aviation

study of earth and rocks- Geology

Study of living thing-Biology

Study of celestial bodies- Astrology

Study of the influence of planets and stars- Astronomy

Scientific study of bodily diseases- Pathology

Study of languages- Philology

Study of bees/apiaries- Apiology

Study of heart/heart diseases- Cardiology

Study of dogs- Cynology

Study of trees- Dendrology

Study of skin/skin diseases- Dermatology

Study of wine/wine making- Enology/Oenology

Study of cats- Felinology

Study of handwriting to analyze the character of the writer- Graphology

Study of medicine for women- Gynecology / Gynaecology

Study of liver - Hepatology

Study of horses-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 the mouth and its diseases- Stomatology

Study of poisons -Toxicology

Study of flags- Vexillology

Animals-Zoology

Study of medicine for children and their diseases- Pediatrics/Pediatrics

Study of broken bones- Orthopedics

(b) Graph = to write

Study of handwriting- Graphology

Art of good handwriting- Calligraphy

Illegible bad handwriting- Cacography

A written message from far off place- Telegraph

An expert in writing by hand- Chirographer

A person who writes dictionaries- Lexicographer

Written by light-Photograph

An expert in writing (drawing) maps- Cartographer

Writing of one's life story- Biography

Writing of one's own life story- Autobiography

A process of printing from a plate- Lithography

(c) Auto-Self

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

(d) Phile = Love

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

(e) Omni = All

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

(f) Theo = relating to God

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 is in everything in the universe- Pantheist Religious madness- Theomania

(g) Gamy

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

(f) Andros = Male

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

(g) Anthrope=Human

The study of human development - Anthropology

One who loves mankind- Philanthropist

One who hates humans- Misanthrope

(h) Mis = hate

One who hates men- Misandrist

One who hates women- Misogynist

One who hates marriage- Misogamist

(i) Pater, Patris = Father

One who loves his fatherland (country)-Patriot

An inheritance from father - Patrimony

The state of being father-Paternity (

The killing of a father- Patricide

A system ruled by father/men-Patriarchy

(j) Mater, Matri = Mother

The rule or control of the mother-Matriarchy

The killing of a mother - Matricide

The school or college one attends- Alma Mater (37)

(k) Cide= Kill

The killing of one's own brother- Fratricide

The killing of one's sister- Sororicide

The killing of one's wife- Uxoricide

The killing of one's husband- Mariticide

The killing of parents- Parricide

The killing of a whole race- Genocide

The killing of a newborn child- Infanticide

The killing of a king- Regicide

The killing of a human being- Homicide

The killing of oneself- Suicide.

(l) Amble = walk

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

(m) Vorous= to eat

Living on flesh-Carnivorous

Living on grass- Herbivorous