vicious circle vs vicious cycle

Some examples from the web:

• In this way the risk of creating a vicious circle on inflation is more limited.
• The detailed description of the vicious circle of energy-poverty is illuminating.
• The Community wishes to help break this vicious circle, an aim which we must support.
• If we are to help break this vicious circle of bloodshed and revenge, here as elsewhere we do not have the right to be anyone's enemy.
• Once it starts, is a vicious circle.
• I guess you'd call that a vicious circle.
• The answer leads us to a vicious circle.
• The entire situation is a vicious circle which ultimately creates contempt for politicians.
• I reckon it's just a vicious circle.
• It is a fact that poverty, lack of education and child labour form a vicious circle.
• It is a vicious circle where women are more vulnerable than men.
• The only way we will break this vicious circle is by a restrictive common immigration policy.
• Problems relating to social security and their living conditions are then predetermined and the vicious circle is complete.
• This is the vicious circle that leads to political disasters.
• And yet the vicious circle of violence continued with suicide attacks.
• This whole situation is a vicious circle.
• The draftsman believes that in this way the risk of creating a vicious circle on inflation is more limited.
• Escaping this vicious circle calls for determined political action and investment in new areas.
• - My point is that... it becomes a vicious circle.
• Balyk and his lawyer, Nina Shavtsova, claim that the current legislation creates a vicious circle.

Some examples from the web:

• A vicious cycle that our sons seem destined to continue.
• Otherwise, the vicious cycle will continue.
• I took this job in London to break a vicious cycle of jealousy and suspicion.
• Where AIDS is concerned, we face a vicious cycle of infection, incapacity and poverty, alongside the 16 million deaths.
• When the middle class doesn't share in the economic gains, you get into this downward vicious cycle.
• It's a vicious cycle from which there's no escape.
• These are symptoms of a societal disease and a vicious cycle that cannot be stopped
• Meanwhile, I was stuck in a vicious cycle.
• Today on the Chart we're looking at how do you end a vicious cycle.
• There was one country, though, which was able to escape or stay away from that vicious cycle.
• Global warming accelerates their frequency and aggravates their consequences; so, many countries find themselves in a vicious cycle of loss and recovery without the ability to move forward.
• In our view, it is extremely important to break this vicious cycle.
• I would appeal to all parties to renounce the vicious cycle of violence and to approach this dispute constructively.
• Devon... the vicious cycle that you have to break is not with the ball o-or with being fouled.
• Will nothing end this vicious cycle?
• And, of course, all of this then leads to a vicious cycle and you can't raise a lot of chicks.
• With a relatively small investment, microfinance can help unlock developing nations' enormous potential, offering a route out of poverty and a chance to break the vicious cycle of aid and dependency.
• We must bear in mind that donor funding is crucial in alleviating the plight of ordinary Palestinians and in preventing the vicious cycle of poverty and extremism.
• Our message today should be the following: there can be no further progress in EU-Russia relations until the Kremlin decides to intervene and stop this vicious cycle of killings and human rights violations.
• Total respect for national rights, the tolerance of peaceful assembly and the implementation of educational agreements are the only way towards achieving constructive dialogue and breaking the vicious cycle of terrorist activities and brutal repression.