A large number of soldiers – troop, army, battalion
A huge gathering of people at a church or a place of worship – congregation
A huge crowd of people at a concert or a lecture – audience
A large number of people in a stadium watching a match – spectator
A large group or gang of people – horde
Two or more judges involved in a case – bench
A group of people giving a verdict in a court of law (a practice not prevalent in India ) – jury
A large number of beautiful ladies – bevy
A number of servants – staff
A number of actors – company
A group of sailors manning a ship – crew
A number of dancers, artistes and acrobats – troupe
A large number of people gathered together in a street – crowd
A crowd of disorderly people – mob
A group of singers in church – choir
A large number of people participating in a funeral procession – cortege
A large number of people belonging to the same race, living in group, under a chief, practicing same religion, customs and traditions – tribe
A number of directors of a company – board
A group of constables called in to enforce the law – posse
A bundle of hay – truss
A large collection of trees – forest
A collection of poems – anthology
A mass of hair – shock
A number of trees – clump
A number of drawers – chest
A collection of machine guns – nest
A collection of tools – set
A collection of eggs – clutch
A collection of books – library
A collection of flowers – bouquet
A collection of dried plants – herbarium
A collection of flags – bunting
A number of grapes on a bunch – cluster
A set of furniture, rooms – suite