1) Congestion 2) Hyperemia 1) Engorgement 2) Hyperemia 
Hyperaemia or hyperemia is the increase of blood flow to different tissues in the body. It can have medical implications, but is also a regulatory response, allowing change in blood supply to different tissues through vasodilation. Clinically, hyperaemia in tissues manifest as erythema, because of the engorgement of vessels with oxygenated blood. ...
• (n.) A superabundance or congestion of blood in an organ or part of the body.
(hyper + Gr. haima blood + -ia) an excess of blood in a part; engorgement.
<haematology> An excess of blood in a part, engorgement. ... (04 Mar 1998) ... 
Excess of blood, usually to a tissue or organ.An excess of blood in a region of the body.
Excess blood in a particular part of the body.
hyperemia, hyperaemia 1. An unusually high level of blood in some part of the body. 2. An excess of blood in a part of the boy or an engorgement (overfullness or obstruction of the vessels in some part of the system).
hyperemia.