rule of thumb

GUIDELINE
List of words for the clue rule of thumb from the crossword:
ASA ARNE SPAN EBERT TOM RAJ USB SORE OGRE ANN LAW OUT SCREW LEAF INDEX REGULATION UNIT MOB HOME
WordClue
LAWrule or decree
PUMAbrand of running shoes
RATEof interest or fertility
RULEof thumb or golden
TIPOmodel of Fiat
WINGpart of a plane
AGAMAtype of lizard
AGATEtype of gemstone
BRASSalloy of copper and zinc
CANONrule
COUNTof Monte Cristo
ERATOone of the muses
ESSEXpart of England
ETHERclass of organic compounds
LOTTOgame of chance similar to bingo
POWERsolar or of will
PRIDEone of the seven deadly sins
SKINKtype of lizard
FINGERthumb
POLLEXthumb
CANONrule
LAWrule or decree