Matched context for productivity and rigidity

The page lists matched contexts for productivity and rigidity.

Share - productivity	Share - rigidity	Phrase
22.98%	3.52%	enhance {productivity or rigidity} [perform operation]
11.42%	7.04%	increase {productivity or rigidity} [perform operation]
23.17%	3.04%	improve {productivity or rigidity} [perform operation]
8.23%	0.88%	improved [effectiveness] {productivity or rigidity}