Collocations for circulate - verb

freely
Air can circulate freely through the tunnels.

around/round
The heart circulates blood around the body.

through
Blood circulates through the arteries and veins.

widely
The book was circulated widely in Russia.

freely

among/amongst
newspapers circulating among minority communities

around/round
There''s a story circulating around the office that you are about to leave the company.

to
The document will be circulated to all members.