α. 1900s– comawn, 1900s– common, 1900s– comon, 1900s– cumawn, 1900s– cummon, 1900s– cumon, 1900s– cumoon.
β. 1900s– c'm on, 1900s– c'mawn, 1900s– c'mawwn, 1900s– c'moan (Scottish), 1900s– c'mon, 1900s– cmahn, 1900s– cman, 1900s– cmon, 2000s– c'moon, 2000s– c'mown, 2000s– k'mon.