"Boso" is a Japanese word that means "clumsy" or "awkward," while "ni" is a particle used to indicate a location or direction. "Ninja" is a well-known Japanese term for a stealthy warrior.
The old man, still dripping wet, chased Boso around the house, shouting, "Anong klaseng ninja ka? Naglalakad-lakad ka sa aking CR!"
On the other hand, "naliligo" is a Filipino word that means "taking a bath," and "kapitbahay" means "neighbor."