gob vs gratin

gob

• A whoopee pie. 

• The mouth. 

• A sailor. 

• A lump of soft or sticky material. 

• Waste material in old mine workings, goaf. 

• Saliva or phlegm. 

• To pack away waste material in order to support the walls of the mine. 

• To spit, especially to spit phlegm. 

• To gather into a lump. 

gratin

• The top crust of a dish, consisting of breadcrumbs or grated cheese heated under a grill; the dish itself.