Matched context for disturbance and perturbation

The page lists matched contexts for disturbance and perturbation.

Share - disturbance	Share - perturbation	Phrase
6.94%	2.60%	{disturbance or perturbation} effect
2.42%	3.81%	cause {disturbance or perturbation} [perform operation]
1.23%	5.85%	ratio {disturbance or perturbation}
1.65%	4.00%	{disturbance or perturbation} [does] occur
2.40%	2.28%	{disturbance or perturbation} [does] cause
0.61%	7.08%	pressure {disturbance or perturbation}
1.14%	2.04%	prevent {disturbance or perturbation} [perform operation]