September or May

MONTH
WordClue
FOODmay be frozen or junk
SHIPclipper or passenger
SONGballad or lullaby
SOUPgazpacho or porridge
STARSun or Rigel
TIREradial or spare
WINDmay be solar or trade
WIREbarbed or chicken
AGENTinsurance or travel
BRANDAudi or Porsche
BRIANMay, guitarist
COURTappellate or supreme
DANCEtango or flamenco
FLUIDwater or petroleum
MOTORdiesel or stepping
ORDERfungus or stop-loss
PARTYmay be Communist
POWERsolar or of will
RIVERNeva or Mekong
THERESAMay, British politician
CUTTLEFISHsepia, inkfish
CESSPOOLseptic tank