Matched context for portion apart and tend

The page lists matched contexts for portion apart and tend.

Share - portion apart	Share - tend	Phrase
9.09%	0.45%	chamber to {portion apart or tend}
14.16%	0.25%	operation to {portion apart or tend}
9.71%	0.36%	vary to {portion apart or tend}
6.49%	0.22%	pressure to {portion apart or tend}