If you used to travel a lot, moving to such carriage-homes shall not be a problem.

I stepped on this unusual housing estate while waiting for a train in Warszawa Zachodnia station. All carriages are plugged in to electricity and water. I only wonder, how they manage with sewage system …

As for words ending with “y” it’s a simple task. In Polish language many words in plural form possess this finishing letter, like “domy” = houses or “wagony” = carriages.