cold (AmE), hard, ready
The drugs are sold for hard cash.

petty
I took £10 out of petty cash.

pay, pay in
We'll have to pay cash for the tickets.
I paid the bill in cash.

hold
The bank should hold enough cash to satisfy customer demand.

withdraw
convert sth into, turn sth into

desk (BrE), drawer (esp. AmE) (see also cash register)
dispenser (BrE), machine
He withdrew £100 from a cash machine.

balance
book
transaction
advance

in cash
The thieves stole $200 in cash.
You can pay in cash or by credit card.

cash in hand (BrE,informal)
He did the job for £300, cash in hand.

cash on delivery

ready, spare
quick
a chance to make some quick cash

hard-earned
I refuse to spend my hard-earned cash on presents!

campaign (AmE)
extra

generate, raise
They had a quiz to raise cash for the hospital.

be short of, be strapped for, run out of
earn
shell out, spend
save

holdings, reserves, resources
flow
The company is having cash flow problems.

inflow, infusion, injection
outflow
deposit, payment, settlement
value
award, benefit, bonus, offer, prize
management
market
crisis
crop
farmers who grow cash crops for export

economy
cow (= a part of a business that always makes a profit)