抜群【ばつぐん】
outstanding, excellent, exceptional, distinguished, unrivaled, surpassing (e.g. beauty), beyond compare
群れ【むれ】
group, crowd, flock, herd, bevy, school, swarm, cluster (e.g. of stars), clump, pack (e.g. of dogs)
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
群れる【むれる】
to crowd, to flock, to swarm
群がる【むらがる】
to swarm, to gather
魚群【ぎょぐん】
school of fish