Yet thread and string really are different things.
Is there an App that explores the smeared line between meanings?
Show me pictures of (rope, thread,string,twine,line, cable, wire, fiber, ribbon, braid) and let me pick the right word.
We sometimes discern fine differences between similar things, but might find it difficult to describe exactly what those differences are. I've recently been trying to work out what a modern hatchback is.