1 number of people

1 to count backwards (from 10 down to 0)

2 to count down

3 from the bottom (lines on a page)

4 from the back (rows of seats)

1 (exam) grade

2 mark

3 score

4 fraction

1 majority

2 most

1 (great) majority

1 one scare after another (idiom)

2 in a constant state of tension

1 not living up to expectations (idiom)

2 failing to inspire confidence among people

3 unpopular

1 lit. their number cannot be counted (idiom); fig. countless

2 innumerable

1 to live up to expectations (idiom)

1 many men, a great force (idiom); many hands provide great strength

2 There is safety in numbers.