Formal:
* ਪੈਰ (pair) - This is the most common and formal way to say "feet".
Informal:
* ਪੈਰੀਂ (paireen) - This is a more informal way to say "feet", often used when referring to someone's own feet.
* ਪੈਰਾਂ (pairan) - Another informal option, used when referring to someone else's feet.
Plural:
* ਪੈਰ (pair) - This word is used for both singular and plural.
* ਪੈਰੀਂ (paireen) - This can also be used for plural, particularly in informal contexts.
Note: "Pair" is the most common and versatile option, suitable for both formal and informal situations.