I want to know the answer to the following question:
What is another word for variations?
All the background I'm provided with is that "For example, in Thai, Hindi, and Quechua, there are minimal pairs of words for which aspiration is the only contrasting feature (two words can have different meanings but with the only difference in pronunciation being that one has an aspirated sound where the other has an unaspirated one).". Is that enough to answer the question?