ace, authority

GURU
WordClue
ACEguru, authority
PIPace
WARcard game
GAMEcard or zero-sum
JACKplaying card
KINGplaying card
ADEPTguru, expert
JOKERplaying card
POKERfamily of card games
QUEENplaying card
RUMMYcard game
EXPERTguru, cognoscente
MASTERguru, virtuoso
CHARTERgrant of authority or rights
CONTROLInfluence or authority over something
MASTERYauthority, sway
SCHOLARguru, proficient
AUTHORITYguru, adept
VIRGINITYV card
PROFICIENTguru, master
PIPace
ETHANOATEacetate