1:'Still' waters run deep.
2:He 'still' lives in that house.
3:'After' the storm comes the calm.
4:The 'after' effects of the drugs are bad.
5:The 'up' train is late.
6:It weight 'about' a pound.
7:He told us all 'about' the battle.
8:He was only a yard 'off' me.
9:Suddenly one of the wheels came 'off'.
10:He is 'on' the committee.
11:Let us move 'on'.
12:Sit down and rest a 'while'.
13:I will watch 'while' you sleep.
14:They 'while' away their evenings with books and games
2:He 'still' lives in that house.
3:'After' the storm comes the calm.
4:The 'after' effects of the drugs are bad.
5:The 'up' train is late.
6:It weight 'about' a pound.
7:He told us all 'about' the battle.
8:He was only a yard 'off' me.
9:Suddenly one of the wheels came 'off'.
10:He is 'on' the committee.
11:Let us move 'on'.
12:Sit down and rest a 'while'.
13:I will watch 'while' you sleep.
14:They 'while' away their evenings with books and games

Comments
The meaning of this is unclear.
Trains that go to an important city are often called 'up trains'. Trains from an important city are often called 'down trains'.
This is British terminology. I don't know if Americans ever do this.