One term used to describe this is homoglyph, as in homoglyph attacks for phishing. Back in 2015 I did some work just using simple bitmap rendering plus OCR to

One term used to describe this is homoglyph, as in homoglyph attacks for phishing. Back in 2015 I did some work just using simple bitmap rendering plus OCR to find text that looked like a small selection of known words. It was actually reasonably effective.