office boy a young man who is employed to do odd jobs in a business office
officious intrusive in a meddling or offensive manner
auspicious indicating favorable circumstances and good luck
efficiency skillfulness in avoiding wasted time and effort
efficacy capacity or power to produce a desired result
office block a building containing offices where work is done
officialize make official
officialese the style of writing characteristic of some government officials: formal and obscure
officialise make official
effaceable capable of being effaced
efficacious giving the power to produce an intended result
offsides illegally beyond a prescribed line or area or ahead of the ball or puck
efficient being effective without wasting time, effort, or expense
Ovibos consisting of the musk-ox
officially in an authoritative role
office-bearer the person who holds an office
off-base located outside a military base
overbusy too busy
office place of business where professional duties are performed
officiousness aggressiveness as evidenced by intruding