noun
ADJECTIVE
▪ important , key , significant , valuable
▪ big , large
▪ leading , main , major , principal
▪ frequent , regular
▪
The core of regular ~s is essential to the magazine.
▪ occasional
▪ long-time ( AmE )
▪
She was a long-time ~ to Time Magazine.
▪ generous , wealthy
▪ net
▪
net ~s to the economy
▪ campaign ( AmE )
▪
Politicians are often suspected of trying to appease campaign ~s from the oil industry.
▪ corporate ( esp. AmE )
PREPOSITION
▪ ~ to
▪
Carbon dioxide is the largest ~ to the greenhouse effect.