Similar words
pareja
Worth distinguishing: par is a pair of objects; pareja is a couple, specifically a romantic partner.
Similar in other languages
English
couple
couple is the English word for the same thing — both mean "pair, couple."
Practice
1 What does par mean?
pair; couple
2 Fill the gap: Compré un ___ de zapatos.
Full sentence: Compré un par de zapatos. (I bought a pair of shoes.)
3 Which fingerprint chart matches par?
par: neutral register, core frequency, general domain, neutral connotation.