period, epoch

ERA
List of words for the clue period, epoch from the crossword:
EOCENE ICEAGE MIOCENE AGE PLIOCENE EON AEON NEOCENE LENT OLIGOCENE IRONAGE RECENT PLEISTOCENE PALEOCENE ORO HOLOCENE ERAL YEAR TERM
WordClue
AGEepoch
NAPshort period of sleep
LULLperiod of rest
VIGILPeriod of intentional sleeplessness
FREEZEperiod of intensely cold weather
SEASONinterval, period
INFANCYperiod of childhood
PERMIANgeologic period
CAMBRIANgeologic period
DEVONIANgeologic period
DOWNTIMEperiod when a system is unavailable
INTERVALperiod, pause
JURASSICgeologic period
SILURIANgeologic period
TIMESPANperiod
TRIASSICgeologic period
PALEOGENEgeologic period
CRETACEOUSgeologic period
ORDOVICIANgeologic period
CARBONIFEROUSgeologic period
TIMESPANperiod
STILLperiod of calm