mass
Mass, crowd, throng, pack, herd.
Armada, as in the Spanish Armada.
A large group of unsuspecting people about to be hit by something, from which they will take a long time to recover
A large crowd or mob.
Fleet gets an upper case letter at the beginning of a sentence. There are few other times when it enjoys the distinction. Back when, United States President Teddy Roosevelt sent a large battle group around the world. (Half way, actually. Then he told Congress to fund their return.) This group of vessels became known as the Great White Fleet. Other than something like that, the word fleet usually gets a lower case letter.
mass
mass
mass
Class, which contains a large group of students or people of the same economic and social standing. Or also mass, which is a large group of anything.class
Class, which contains a large group of students or people of the same economic and social standing. Or also mass, which is a large group of anything.
Class, which contains a large group of students or people of the same economic and social standing. Or also mass, which is a large group of anything.
brass, glass, bass,
loud crowd
A pack is a large group. Or a gaggle (Merriam Webster's online dictionary says a gaggle is "an indefinite group," so it can be a large group).
team
Class, which contains a large group of students or people of the same economic and social standing. Or also mass, which is a large group of anything.
Large, barge.