Accumulation (noun)
اضافہ، بڑھاوا، ذخیرہ، انبار
the acquisition or gradual gathering of something.
Example: “the accumulation of wealth”
Impediment (noun)
رخنہ ، رکاوٹ، لکنت
a hindrance or obstruction in doing something.
Example: “a serious impediment to scientific progress”