front 1 ab- | back 1 away from |
front 2 ad- | back 2 toward |
front 3 ante-, pre- | back 3 before in time or place |
front 4 circum-, peri- | back 4 around |
front 5 dia- | back 5 through |
front 6 ecto-, ex-, exo-, extra- | back 6 out, without, away from |
front 7 en-, end-, endo- | back 7 inside |
front 8 epi- | back 8 above, on |
front 9 hypo-, infra-, sub- | back 9 beneath, under |
front 10 ipsi- | back 10 same |
front 11 contra- | back 11 against or opposed |
front 12 inter- | back 12 between |
front 13 intra- | back 13 within |
front 14 meso-, mid- | back 14 middle |
front 15 para- | back 15 near, beside, or abnormal |
front 16 per- | back 16 through or by |
front 17 post- | back 17 after, behind |
front 18 retro- | back 18 behind or backward |
front 19 super-, supra- | back 19 above, beyond |
front 20 sym-, syn- | back 20 joined, together |
front 21 trans- | back 21 across |