* Friends and family are common nouns. Common nouns are general names for people, places, or things.
* Friend and family are concrete nouns, meaning they refer to something that can be touched or experienced with the senses.
However, the "s" at the end of "friends" and "family" makes them plural nouns, meaning they refer to more than one friend or family.
So, to summarize:
* Friends and family are common, concrete, and plural nouns.