2 available It 's available for us to go shopping at 4 o'clock afternoon.
3 research It's very useful to learn to use the Google research system.
4 derived He derives great fun from playing games online.
5 estimate The company estimates a long -term downing of the business.
6 income The price of the food grows everyday, but his income didn't increase.
7 major He majored in Math in university.
8 individual It 's a individual for you to finish the homework.
9 environment It's such a beautiful environment on the earth.
10 similar The two words were so similar.
