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
群がる【むらがる】
to swarm, to gather
群れる【むれる】
to crowd, to flock, to swarm
症候群【しょうこうぐん】
syndrome
魚群【ぎょぐん】
school of fish
群像【ぐんぞう】
lively group (esp. of young people), dynamic bunch, group
群島【ぐんとう】
island group, archipelago
一群【いちぐん】
group, flock, crowd, herd, wide expanse (of flowers)
群落【ぐんらく】
many communities (villages), cluster of plants
大群【たいぐん】
large crowd, large herd, large flock, large school, large shoal, large swarm, horde
層群【そうぐん】
(geol) group
群生【ぐんせい】
growing en masse in one location (of plants), living gregariously (of animals), living in flocks, herds, colonies, etc., all animate creation
群雄割拠【ぐんゆうかっきょ】
rivalry of local warlords, a number of powerful (talented, influential) persons standing by themselves in a given field
群青【ぐんじょう】
ultramarine
群舞【ぐんぶ】
group dancing