Glop and Rosin

Glop noun - A thick semiliquid substance (as food) that is unattractive.

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

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.

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