Flocks, noun plural of flock. Synonyms in the same form.
Crowd
crowds, throngs, swarms, herds, lots, coveys, gaggles, groups, litters, bunches, legions, rabbles, hordes, masses, sights, pecks, packs, companies, slews, plenties, bevies
Congregation
congregations, folds, laities
Other
nests, flights, troops, wakes, charms, flakes, murders
All synonyms for flock →