Matched context for hard and stiff

The page lists matched contexts for hard and stiff.

Share - hard	Share - stiff	Phrase
11.45%	25.50%	{hard or stiff} [difficulty] material
0.53%	23.70%	{hard or stiff} [difficulty] spring
1.02%	8.38%	{hard or stiff} [difficulty] become
0.26%	4.79%	relatively {hard or stiff}
0.26%	3.41%	relatively [degree] {hard or stiff}