Here's what rhymes with greenth.
plinth labyrinth hyacinth Words that almost rhyme with greenth
since sins pins wins fins bins rinse tins chins mince shins wince gins thins things kings prince rings wings limbs lymph skins hymns sings twins spins evince nymph rims whims grins quince dims gyms shims tings wrings begins brings convince swings clings florins stings flings slings swims hairpins brims skims trims springs strings violins minims javelins underpins pseudonyms offsprings wellsprings fifth myth width filth pith scythe writhed writhe sixth smith therewith wherewith herewith forthwith monolith silversmith