1 basic

2 fundamental

3 main

4 elementary

1 to raise

2 to increase

1 newly added

2 additional

3 to add (to what already exists)

1 Japan

1 root

2 stem

3 origin

4 source

5 this

6 the current

7 original

8 inherent

9 originally

10 classifier for books, periodicals, files etc

1 small capital, huge profit (idiom); to put in a little and get a lot out

1 to talk shop all the time (idiom)

1 hardwork and thriftiness are the foundations of service (idiom)

1 ensure that you pay debts of gratitude (idiom)

1 Every family goes through its problems. (idiom)