These ambiguities can be explained by noting that in Southeast Alaska there was no single predominant variety of Chinook Jargon spoken, and as such a single Chinook Jargon word might be borrowed from speakers of different Chinook Jargon dialects with differing pronunciations.
Due to the lack of a singular predominant Chinook Jargon dialect in Southeast Alaska, a single word could have been borrowed from various speakers who spoke different dialects and had distinct pronunciation variations.