Matched context for regular and irregular

The page lists matched contexts for regular and irregular.

Share - regular	Share - irregular	Phrase
28.32%	4.81%	{regular or irregular} [time periodicity] interval
0.72%	24.53%	{regular or irregular} [time periodicity] surface
1.91%	8.59%	{regular or irregular} [time periodicity] shape
0.90%	10.60%	{regular or irregular} [time periodicity] combustion
0.49%	8.70%	{regular or irregular} [time periodicity] condition
0.53%	1.88%	{regular or irregular} [time periodicity] engine