function
affair
agency
business
calling
career
case
circumstance
commerce
company
concern
corporation
craft
dealing
dealings
duty
employment
enterprise
event
field
firm
franchise
incident
job
line of work
matter
merchandising
negotiations
obligation
occupation
office
operation
organization
position
practice
problem
profession
responsibility
situation
sphere
thing
trade
trading
traffic
transactions
undertaking
venture
vocation
work
worry