blood·suck·er 
(blŭdsŭk′ər)
(blŭdsŭk′ər)n.
1. An animal, such as a leech, that sucks blood.
2. An extortionist or a blackmailer.
3. A person who is intrusively or overly dependent upon another; a parasite.
bloodsuck′ing adj.
- polysorbate
- polyspermic
- polyspermy
- polystichous
- polystyrene
- polysulfide
- polysyllabic
- polysyllabically
- polysyllable
- polysynaptic
- polysyndeton
- polysynthetic
- polytechnic
- polytene
- polytenic
- polyteny
- polytetrafluoroethylene
- polytheism
- polytheist
- polytheistic
- polythene
- polytocous
- polytomy
- polytonal
- polytonality