5-SECOND RADICAL BREAKDOWN
未 (Not Yet) vs 末 (End) vs 来 (Come) vs 木 (Tree)
The only difference between 未 (Not Yet) and 末 (End) is whether the top horizontal line is shorter or longer than the second line!
The only difference between 未 (Not Yet) and 末 (End) is whether the top horizontal line is shorter or longer than the second line!