Flagstone and Rosin

Flagstone noun - Stratified stone that splits into pieces suitable as paving stones.

Rosin and flagstone are semantically related. In some cases you can use "Rosin" instead a noun "Flagstone".

Rosin noun - Any of a class of solid or semisolid viscous substances obtained either as exudations from certain plants or prepared by polymerization of simple molecules.

Flagstone and rosin are semantically related. Sometimes you can use "Flagstone" instead a noun "Rosin".