Matched context for necessity and difficulty

The page lists matched contexts for necessity and difficulty.

Share - necessity	Share - difficulty	Phrase
22.91%	2.60%	eliminate {necessity or difficulty} [perform operation]
14.07%	3.17%	obviate {necessity or difficulty} [perform operation]
10.13%	2.29%	avoid {necessity or difficulty} [perform operation]
3.16%	1.05%	not {necessity or difficulty}
4.15%	0.65%	{necessity or difficulty} [does] provide
0.84%	0.54%	{necessity or difficulty} [does] control
0.71%	0.23%	{necessity or difficulty} [does] form
0.90%	0.64%	{necessity or difficulty} [does] maintain
3.11%	0.24%	{necessity or difficulty} [does] use
0.89%	0.52%	reduce {necessity or difficulty} [perform operation]