Matched context for toughness and accuracy

The page lists matched contexts for toughness and accuracy.

Share - toughness	Share - accuracy	Phrase
9.52%	6.40%	improve {toughness or accuracy} [perform operation]
5.43%	6.00%	high [size] {toughness or accuracy}
4.80%	2.99%	control {toughness or accuracy}