cardi/o means (a)  

erythr/o means (a)  

leuk/o means (a)  

phleb/o means (a)  

tachy means (a)  

thromb/o means (a)  

ven/o means (a)  

angio/o means (a)  

aort/o means (a)  

arteri/o means (a)  

ather/o means (a)  

-crasia means (a)  

-emia means (a)  

hem/o, hemat/o means (a)