Dictionary -industry specific add ons/ plug ins

I have started compiling lists of words across the categories of biology, microbiology, genetics, chemistry, biochemistry and horticulture. I hope one day that they could be used in a dictionary plug in, users could download and add the area specific to them. This just saves numerous ‘add to dictionary’ or ‘ignore’ when using technical or scientific language. Does any one have any clue what format I should save these in befor the lists become too big and unwieldy?

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