What rhymes with grassgreen?

Grassgreen rhymes with:

evergreen, peregrine, walgreen, wettergreen, chloroprene, crumrine, evergreen, fluorine, murine, neoprene, peregrine, polystyrene, smokescreen, styrene, texstyrene, walgreen, wettergreen

Grassgreen sounds like:

greco-roman, gregorian

What rhymes with grassgreen?