群れ【むれ】
group, crowd, flock, herd, bevy, school, swarm, cluster (e.g. of stars), clump, pack (e.g. of dogs)
抜群【ばつぐん】
outstanding, excellent, exceptional, distinguished, unrivaled, surpassing (e.g. beauty), beyond compare
群衆【ぐんしゅう】
group (of people), crowd, horde, throng, mob, multitude
群像【ぐんぞう】
lively group (esp. of young people), dynamic bunch, group
群島【ぐんとう】
island group, archipelago
群がる【むらがる】
to swarm, to gather
群れる【むれる】
to crowd, to flock, to swarm
魚群【ぎょぐん】
school of fish