What do we call the “rd” in “3ʳᵈ” and the “th” in “9ᵗʰ”?

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Music by Eric Matyas
https://www.soundimage.org
Track title: Puzzle Game 5 Looping

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Chapters
00:00 What Do We Call The “Rd” In “3ʳᵈ” And The “Th” In “9ᵗʰ”?
00:23 Accepted Answer Score 61
00:52 Answer 2 Score 3
01:40 Answer 3 Score 1
02:02 Answer 4 Score 0
02:16 Thank you

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Full question
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Tags
#orthography #numbers #suffixes #typography #ordinalnumbers

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