Environment & Health
Culture and Music
Education and Science
Money & Business
Government
100

a person who in concerned about protecting the environment

environmentalist

100

a type of language that is regarded as very informal

slang

100

the process of finding a fact or piece of knowledge that was not known before

discovery

100

a sum of money that is owed or due

debt

100

a group of people  who share similar ideals and that can take part in elections

political party

200

an illness caused by eating food that contains harmful bacteria

food poisoning

200

music performed without any vocals

instrumental

200

the molecule that carried genetic information

DNA

200

income from  sale of products or services

profit

200

an occasion when people of a country can vote on a single  question

referendum

300

a person with excessive weight 

overweight

300

a  negative feeling people may experience in a new country

culture shock

300

the most important subject that a college or university student is studying

 major

300

money spent on things or services

expenses

300

a government official who represents his or her government in a foreign country

ambassador

400

a natural fuel such as coal or  gas

fossil fuel

400

a live performance by a musician or a popular band

gig

400

the newest and most advanced technology or design (adj)

cutting-edge

400

to start a project or new business

launch

400

a written statement in which a political party says what it intends do 

manifesto

500

a person who is an expert in or studies nutrition 

nutritionist

500

a performance of a popular song previously performed by a different singer

cover version

500

a highest academic degree

PhD

500

a feature that makes your product or service better than the competitors' ones

USP (unique selling point)

500

a building where voting takes place during  an election

polling station