Matched context for impede and weaken

The page lists matched contexts for impede and weaken.

Share - impede	Share - weaken	Phrase
8.27%	8.52%	{impede or weaken} motion [perform operation]
16.89%	3.76%	{impede or weaken} flow [perform operation]
8.44%	2.09%	not {impede or weaken}
2.00%	4.29%	{impede or weaken} modal could
1.52%	3.27%	{impede or weaken} modal can
2.62%	1.71%	{impede or weaken} modal will
0.63%	1.36%	{impede or weaken} modal may