Double acute accent
ISO 8859-2

Code point
0xD5
0xF5
0xDB
0xFB
ISO 8859-1
Õ
õ
Û
û
ISO 8859-2
Ő
ő
Ű
ű

Question: What are some similar looking yet distinct letters in In ISO 8859-1 and In ISO 8859-2?
Answer: In ISO 8859-2 Ő, ő, Ű, and ű are some of similar looking but distinct, especially at bigger font size letters of ISO 8859-1.