Two names match in script and speech but refer to different transmitters. Is it merely graphic resemblance?

Narrator Name Ambiguities: Identical, Variant, Similar, and Reversed Names

• No; it is a distinct-persons problem, muttafiq wa-muftariq
• Yes, muʾtalif/mukhtalif
• Yes, mutashābih maqlūb
• No; it necessarily makes the hadith forged