Matched context for descend and reciprocate

The page lists matched contexts for descend and reciprocate.

Share - descend	Share - reciprocate	Phrase
19.34%	12.57%	piston [does] {descend or reciprocate}
2.53%	4.80%	{descend or reciprocate} piston [perform operation]
1.84%	2.84%	plunger [does] {descend or reciprocate}
1.74%	0.61%	{descend or reciprocate} modal can
1.41%	0.79%	cylinder {descend or reciprocate}
1.30%	1.13%	valve [does] {descend or reciprocate}
1.29%	0.25%	{descend or reciprocate} modal will
0.87%	0.20%	chamber {descend or reciprocate}