In the U.K. we use ,'Estate', for a formal grouping. However, for informal groups of houses, there is hamlet, or village.
Any other word is the U.K. such as, town, city, conurbation, indicates house and other buildings too!!!!
another word for large group is clan.
choir or orchestra is another word for music group
The word "Kanata" is an Iroquois word that means a village or small group of houses. It is the word that eventually became the name of Canada.
Another word for gather or collect is... handle or group together.
Another word for religious group could be "faith community" or "religious organization."
Another word for study group is "learning circle" or "study session".
faction clique
group
A group of witches is a coven.
well another word could be a party or a group
word abour
Paragraph