| A | B |
| anacanth | an-, not, without + akantha, thorn |
| asbestos | a-, (an-), not, without + sbennynai, quench |
| ascetic | askein (from ASCE-), to exercise |
| asphyxia | a-, not, without + sphyxis, pulse |
| astygmatism | a-, not, without + stigma, point |
| astronomy | AST(E)R-, star + -nomy, science of |
| asylum | a-, not, without + syle, right of seizure |
| atheist | a-, not, without + theos (from THE-), god |
| athlete | athlon, prize |
| Anabaptist | ana-, again + baptismos, baptism |
| anachronism | ana-, back + CHRON-, time |
| anacoluthon | (a rhetorical device) ana-, not + akolouthos, following |
| anacrusis | ana-, up + krouein, to strike |
| anemia | an-, without + haima (from HEM-), blood |
| anagram | ana-, up or back + gramma, letter (from -gram, thing written) |
| analgesia | an-, without + algein (from ALG-, pain), to feel pain |
| anarchy | an-, without + archos (from -arch, one who rules), ruler |
| anathema | ana-, up + tithenai (THE-, to place, put), to set |
| apocryphal | apo-, away + CRYPH-, hidden |
| analytical | ana-, up + LY-, to loosen |
| atrophy | a-, without + TROPH-, to grow |
| amphibious | amphi-, both + BI-, life |
| mnemonic | MNE-, to remember |
| pantheon | PAN-, all + THE-, god |
| pantomine | PANT-, all + MIM-, to imitate |
| antipodal | anti-, opposite + POD-, foot |
| analogy | ana-, up, back + LOG-, reasoning |
| antibiotic | anti-, against + BIOS-, life |
| anatomy | ana-, up + TOM-, to cut |
| apotheosize | apo-, from + THE-, god |
| catalytic | cata-, completely + LY-, to loosen |
| dialogue | dia-, between + LOGUE-, speech |
| pandemonium | PAN-, all + DEMON-, evil spirit |
| amnesty | a-, not + MNE-, to remember |
| apogee | apo-, from + GE-, earth |
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