Front

welfare ____(n)_____

Back

welfare state

welfare services

welfare benefits

Front

____(v)____ welfare

Back

improve welfare

promote welfare

maintain welfare

Front

undergo a ____(n)____

Back

undergo an operation

undergo a change

undergo transformation

undergo evaluation

Front

exceed ____(n)____

Back

exceed the limit

exceed expectations

exceed one's authority

Front

maintain ____(n)____

Back

maintain balance

maintain one's speed

maintain a healthy diet

Front

release ____(n)____

Back

release energy / light / radiation

release an album/a product

release sb from prison

Front

facilitate ____(n)____

Back

facilitate learning

facilitate development

facilitate communication

facilitate running fast

Front

the sole ____(n)____

Back

the sole heir

the sole purpose/objective

the sole power/ authority

Front

elementary ___(n)___

Back

elementary knowledge

elementary laws

elementary stage

Front

elemental ___(n)___

Back

elemental truth

elemental changes

elemental characteristics