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 (great) majority

1 consciousness

2 awareness

3 to be aware

4 to realize

1 (numerical, statistical) index

2 (math.) exponent

3 index

4 exponential (function, growth)

1 to count

2 to count as

3 to regard as

4 to enumerate (sb's shortcomings)

1 one scare after another (idiom)

2 in a constant state of tension

1 don't fight, won't make friends (idiom); an exchange of blows may lead to friendship

1 lit. don't fight, won't make friends (idiom); an exchange of blows may lead to friendship

2 no discord, no concord

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

2 innumerable

1 to fail to see the larger issue (idiom)

2 to fail to grasp the big picture