Focus on the pronunciation of pile
English definition of “pile”
/paɪl/ noun [C]
› a large amount of something: a pile of cash/money consumers with piles of credit card debt I have piles of paperwork to finish.
at the bottom/top of the pile › at the bottom or top of a group of competing things: Despite a shaky first quarter, the athletic shoe producer has once again emerged at the top of the pile. → See also cash pile, stockpile noun