This is the 8212th most frequent Spanish word.
pareja
"Pareja" means "partner" or "couple" in English.
Here, 'pareja' refers to two people in a romantic relationship.
Ellos forman una pareja feliz.
They form a happy couple.
In this case, 'pareja' refers to a pair of matching items.
La pareja de zapatos cuesta veinte dólares.
The pair of shoes costs twenty dollars.
Here, 'pareja' is used to indicate two connected or complementary items.