Nouns related to the environment
Verbs
Nouns related to British English and CSR
Adjectives
Nouns related to design and language learning
100

animals, birds, insects, etc. that are not pets and live in a natural environment (starts with w)

wildlife

100

to become greater in size, number or importance; to make something greater in size, number or importance (starts with e)

to expand

100

potato chips in British English (starts with c)

crisps

100

that needs to be dealt with or happen immediately (starts with u)

urgent

100

a plan that is intended to achieve a particular purpose; also used in some games (starts with s)

strategy

200

energy sources such as coal or oil that were formed over millions of years from parts of dead animals or plants (2 words)

fossil fuels

200

to demand that something happen or that somebody agree to do something, often multiple times (starts with i)

to insist

200

sports shoes in British English (starts with t)

trainers

200

more important, powerful or easy to notice than other things (starts with d)

dominant

200

the ability to do something well (starts with c)

competence

300

a situation in which a plant, an animal, a way of life, etc. stops existing (starts with e)

extinction

300

formal - to gain, get or obtain something (starts with a)

to acquire

300

a piece of material that can be stuck to the skin to protect a small wound or cut; in US English, band aid (starts with p)

plaster

300

necessary or essential in order for something to succeed or exist (starts with v)

vital

300

one of several parts of which something is made (starts with c)

component

400

the process of burying large amounts of waste material OR waste material that will be buried in the ground

landfill

400

to make something continue at the same level, standard, etc.

to maintain

400

organisations for helping people in need, considered as a group; the money, food, help, etc. that they give

charity

400

a thing or an act which causes damage to or breaks something

destructive

400

connected with beauty and art and the understanding of beautiful things; how good something looks

aesthetic(s)

500

the act of cutting down or burning the trees in an area

deforestation

500

to expect something OR  to think with pleasure and excitement about something that is going to happen 

to anticipate

500

a person who buys and sells goods in large quantities, especially one who imports and exports goods (old-fashioned)

merchant

500

able to understand something by using feelings rather than by considering the facts OR easy to understand and to use (e.g. a computer)

intuitive

500

the quality in something of being very suitable for the purpose it was designed for; practicality

functionality