Achilles' or spike

HEEL
WordClue
HEROAchilles or Hector
STARSun or Rigel
TIREradial or spare
WIREbarbed or chicken
AGENTinsurance or travel
BRANDAudi or Porsche
COURTappellate or supreme
DANCEtango or flamenco
FLUIDwater or petroleum
MOTORdiesel or stepping
ORDERfungus or stop-loss
PARTYRepublican or Conservative
POWERsolar or of will
RIVERNeva or Mekong
UMBELspike, raceme
CATKINspike, corymb
CORYMBspike, umbel
RACEMEspike, cluster
STINGERspike strip
WORKHOUSEspike
HEROAchilles or Hector
LENSachromatic or contact