When you get inconsistent answers, there might be a deeper reason.
Banal was pronounced like anal, but people got embarassed sometime in the 20th century and started starting saying canal. I like anal.
Variations of indefatigable and preternatural are probably from people who have read it but never heard it pronounced (a. The funny/common example is hyperbole/hyperbolic. It's the stress that is most butchered, which cascades into vowels being pronounced differently. Heurstics in this matter can be internalized and improved.
Niche is one possible outcome of anglicization, which is complex and has different results, mostly depending on how common the word ends up. The more foreign-like (French) is neesh. The more anglicized is nich. Neither are worthy of ridicule (which usually comes from the ignorant, and is another topic altogether). Just avoid mixing the two: Never "neech" (like Nietchze) or "nish", which will make me laugh.
Banal was pronounced like anal, but people got embarassed sometime in the 20th century and started starting saying canal. I like anal.
Variations of indefatigable and preternatural are probably from people who have read it but never heard it pronounced (a. The funny/common example is hyperbole/hyperbolic. It's the stress that is most butchered, which cascades into vowels being pronounced differently. Heurstics in this matter can be internalized and improved.
Niche is one possible outcome of anglicization, which is complex and has different results, mostly depending on how common the word ends up. The more foreign-like (French) is neesh. The more anglicized is nich. Neither are worthy of ridicule (which usually comes from the ignorant, and is another topic altogether). Just avoid mixing the two: Never "neech" (like Nietchze) or "nish", which will make me laugh.