There’s more, especially with dishes and flatware.

• milk vs meat
• Sabbath vs the rest of the week
• Passover vs the rest of the year

Might also avoid corn at the same time, if you’re not getting pasture-fed eggs.

Given how many homographs and other homonyms English has (and presumably other languages, I’ve definitely seen one Hebrew homograph when vowels are removed), it doesn’t sound like a complete stretch for this to be a similar homonym situation.

Sounds like “light pollution” but indoor.