Collective nouns for objects

Collective nouns list

Subject	Collective noun
oarsmen	A row of oarsmen
objectivists	A Rand of Objectivists
objects	A collection of objects
office boys	An ogle of office boys
officers	A mess, execution of officers
old guard	A slumber of old guard
onlookers	A crowd of onlookers
on-lookers	A fascination of on-lookers
optometrists	A vision of optometrists
orangutans	A buffoonery of orangutans
orchids	A coterie of orchids
orgiasts	A concatenation of orgiasts
orphans	An abandonment of orphans
orthodontists	A brace of orthodontists
orthopaedists	A cast, brace of orthopaedists
osteopaths	A joint of osteopaths
ostriches	A wobble, pride, flock of ostriches
otologists	A herd of otologists (a physician who specializes in the study of the anatomy and diseases of the ear)
otters	A romp, family, raft, bevy, ramp of otters
over achievers	A leap of over achievers
ovoids	A metamorphosis of ovoids
owls	A parliament of owls
owls	A stare of owls
owls	A wisdom, sagaciousness of owls
oxbirds	A fling of oxbirds
oxen	A span, meinie of oxen
oxen	A team, drove, herd of oxen
oxen	A yoke (2) of oxen
oysters	A bed, hive of oysters
oysters, young	A set of young oysters