DAR
Excessively and uncritically patriotic
group
club
Bouquet
pack
The six letter word is anthem.
The meaning of the word patriotic means supportive of one's own country. I hope I answer question.
Ennead.
Arrange, analyze
Club
A prefix is a letter or group of letters added to the beginning of a word to change its meaning.
The word you're looking for is "family." It fits all your criteria, and it's a pretty common word for a group of people. So, there you go, hope that helps!