假面

假 = 亻 + 叚 : Rosa Luxemburg and Joan of Arc want to go on vacation together, but they already used up all of their vacation days. That's why for the upcoming eye examination in the ashram's bathroom, they put in some glass eyes so that they will get a sick leave.

Mnemonic symbol: a fake eye, 假眼

面 = 丆 + 囬 : Mnemonic symbol: a spray flask with one of these liquids which make a surface super slippery.

In the anthill's bathroom (an4), Marilyn Monroe (mi) wants to set up a wind wheel (丆) on top of a closet (囬). Just as she tries to fix it she slips and falls down, the wind wheel crashing on the floor. She didn't notice that somebody used a can of non-stick coating (面) on the closet's surfaces (面).