This is the 16923rd most frequent Russian word.
соленой
Salty.
The word 'солёный' is used as an adjective to describe the taste of the soup, indicating that it contains a noticeable amount of salt.
Сегодня я попробовал солёный суп.
Today I tried salty soup.
The word 'солёные' is an adjective modifying 'орешки', referring to nuts that have been salted intentionally.
Она купила солёные орешки для вечеринки.
She bought salted nuts for the party.
Here, 'солёный' describes the natural taste of sweat, which contains salt, as an attribute.