PREFIX-WISE ONE-WORD SUBSTITUTION
1️⃣ Auto- (Self, Own)
- Autobiography – A life story written by oneself.
- Autonomous – Self-governing, independent.
- Autocrat – A ruler with absolute power.
- Automobile – A self-driven vehicle.
- Autodidact – A self-taught person.
2️⃣ Bene- (Good, Well)
- Benevolent – Kind, generous.
- Beneficiary – A person who receives benefits.
- Benefactor – A person who gives financial help.
- Benign – Harmless, gentle.
- Benefit – An advantage or profit.
3️⃣ Bio- (Life, Living Organism)
- Biography – Life story of a person written by another.
- Biodegradable – Capable of being decomposed naturally.
- Biology – Study of living organisms.
- Biome – A large ecological community.
- Biosphere – The global ecological system.
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4️⃣ Contra- (Against, Opposite)
- Contradict – To deny or oppose.
- Contraband – Illegal goods.
- Contravene – To violate a rule or law.
- Contrast – Difference between things.
- Controversy – A prolonged dispute or debate.
5️⃣ Dis- (Not, Opposite of)
- Disbelieve – Not to accept as true.
- Disinherit – To deprive of inheritance.
- Disregard – To ignore.
- Discontent – Dissatisfaction.
- Dissuade – To convince not to do something.
6️⃣ Mis- (Wrong, Incorrect)
- Misconception – A wrong idea.
- Misinterpret – To misunderstand.
- Misplace – To put in the wrong place.
- Misfortune – Bad luck.
- Mislead – To give wrong information.

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SUFFIX-WISE ONE-WORD SUBSTITUTION
1️⃣ -Able / -Ible (Capable of, Worthy of)
- Edible – Fit to be eaten.
- Legible – Easy to read.
- Infallible – Incapable of making mistakes.
- Irreversible – Cannot be changed back.
- Indelible – Cannot be erased.
2️⃣ -Cide (Killing, Death)
- Suicide – Killing oneself.
- Homicide – Killing a human being.
- Genocide – Killing a large group of people.
- Regicide – Killing of a king.
- Infanticide – Killing of an infant.
3️⃣ -Cracy (Rule, Government)
- Democracy – Government by the people.
- Autocracy – Government by one person.
- Bureaucracy – Government by officials.
- Aristocracy – Government by the elite class.
- Theocracy – Government by religious leaders.

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4️⃣ -Logy (Study of, Science of)
- Biology – Study of life.
- Geology – Study of Earth’s structure.
- Psychology – Study of the mind.
- Sociology – Study of society.
- Theology – Study of religion.
5️⃣ -Phobia (Fear of Something)
- Claustrophobia – Fear of confined spaces.
- Acrophobia – Fear of heights.
- Hydrophobia – Fear of water.
- Xenophobia – Fear of strangers or foreigners.
- Arachnophobia – Fear of spiders.
MORE ONE-WORD SUBSTITUTIONS (MISCELLANEOUS CATEGORIES)
For People
- Pessimist – A person who always expects bad outcomes.
- Optimist – A person who always expects good outcomes.
- Philatelist – A collector of stamps.
- Bibliophile – A lover of books.
- Polyglot – A person who speaks many languages.
For Places
- Orphanage – A home for orphans.
- Sanatorium – A place for medical treatment.
- Asylum – A place for mentally ill patients.
- Lair – A den of a wild animal.
- Aquarium – A tank for fish.
For Actions
- Exonerate – To free from blame.
- Abdicate – To give up power.
- Resurrect – To bring back to life.
- Rehabilitate – To restore to a good condition.
- Camouflage – To hide or disguise.
For Objects
- Manuscript – A handwritten document.
- Monologue – A long speech by one person.
- Soliloquy – A speech spoken to oneself.
- Chronicle – A record of historical events.
- Epitaph – Inscription on a tombstone.
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