opiate used to treat pain

CODEINE
List of words for the clue opiate used to treat pain from the crossword:
MORPHINE ACHE OREO SUBLIMAZE MORPHIA LAUDANUM HEROIN FENTANYL DRUG DOPE DIACETYLMORPHINE BETEL AGONY SMORE PANG ACUTE WINCE THROE SNOCONE
WordClue
DOLThe unit of measurement for pain
JUGcontainer used to hold liquid
ACHEpain
DRUGopiate, narcotic
PESTpain
AGONYsevere pain
COLICform of pain
FEASTbanquet, treat
TOWELcloth which is used to dry something
BALLOTused to cast votes in an election
COOKIEbaked treat
BANQUETfeast, treat
CURTAINcloth used to block out light
HEARINGThe sense used to perceive sound
MISSILEair-to-air or air-to-ground
BOGEYMANfigure used to frighten children
CAROUSALfeast, treat
DISTRESSpain, torment
MORPHINEopiate, drug
PERPLEXITYtrouble, pain
DRUGopiate, narcotic
ESTIMATIONopinion, belief