This is the 4127th most frequent Russian word.
пропажу
"Пропажу" means "loss" or "something missing" in English.
Here, 'пропажу' refers to a lost or missing item that has now been found.
Я нашёл долгожданную пропажу.
I found the long-awaited missing item.
In this sentence, 'пропажу' denotes the missing object that is being actively looked for.
Мы искали пропажу весь день.
We searched for the missing item all day.
Here, 'пропажи' (genitive form of 'пропажа') refers to a situation of loss or disappearance.