grizzle, stew, incubate, cover, loom, pout, hatch, sulk, hover, oviparous, more...

worker, drone, queen, soldier, scout, larva, pupa, egg, more...

second, first, whole, young, foul, large, little, own, new, single, numerous

think angrily,   group of children,   group of kids,   dwell on gloomily,   clutch of chicks,   brooding, in a way,   many children,   hatchery inventory,   ruminate unhappily,   the crop of a bird