l+s 1
l+s 2
r+w 1
r+w 2
100

happening now; modern

contemporary

100

worried or anxious

concerned

100

not new; having been used in the past by someone else

second-hand

100

making you feel unhappy without hope

depressing

200

to fall down suddenly

collapse

200
that exists or is being used at the present time

existing

200

the protection of plants, animals, and natural areas from the damaging affects of human activity

conservation

200

giving you new ideas and making you feel you want to do something 

inspiring

300

to get something, especially with a planned effort

obtained

300

causing a lot of disagreement or arguement

controversial

300

related to a subject or to something happening or being discussed

relevant

300

having a well developed way of life and social systems

civilized

400

to expect that something will happen

anticipate

400

not easily done or acheived

ambitious

400

a part of society which can be separated from other parts because of its own special character 

sector

400

the general opinion that people have about someone

reputation

500

to completely change the appearance, form or character of something

transform

500

enough or satisfactory for a specific purpose

adequate

500

the condition or fact of producing results you want without waste

efficiency

500

a purpose, or the way something works

function