A-
Not, without, into
De-
From, take away, out of, without
Di-
Two, complete
Dys-
Bad, difficult, painful
Hemi-
Half
Hydro-
Water
Hyper-
Above, beyond, excess, excessive
Mono-
One, single
Pan-
All
Par-
Abnormal, beside
Para-
Adjacent to, alongside, beside, abnormal
Polio-
Gray matter
Poly-
Excessive, many, much
Pre-
Before, in front of
Sub-
Below, under, slightly, underneath
Tetra-
Four
Ultra-
Higher, beyond
Astro
Star
Alges
Sensation of pain
Angi
Blood vessel, lymph vessel
Arachn
Cobweb, spider
Arteri
Artery
Arthr
Joint
Ather
Porridge, gruel, fatty substance