endorphin /en-dörˈfin/

Any of a group of opiate-like substances produced by the brain and the pituitary gland with pain-killing and other properties similar to morphine

• Mother Hubbard
• mothering
• motherings
• Mothering Sunday
• mother-in-law
• mother-in-law's tongue
• mother-in-law's tongues
• motherland
• motherlands
• motherless
• motherliness
• motherlinesses
• mother liquor
• mother lode
• mother lodes
• motherly
• mother lye
• mother-naked
• Mother of God
• mother-of-millions
• mother-of-pearl
• mother of the chapel
• mother-of-thousands
• mother of vinegar
• mother-right