| A | B |
| sub | under |
| retro | back |
| thesis | idea |
| per | through |
| mono | one |
| subordinate ADJ/N | of lower rank |
| subside VERB | to sink to a lower level |
| subterranean ADJ | underground |
| subvert VERB | to destroy completely; ruin |
| retroactive ADJ | applying to an earlier time |
| retrogress VERB | to return to an ealier state |
| hypothesis NOUN | an educated guess or idea |
| antithesis NOUN | direct opposite of your idea |
| synthesize VERB | to combine and form an opinion from many sources |
| percolate VERB | to flow through |
| permeate VERB | to spread throughout |
| peruse VERB | to look through thoroughly; study in depth |
| pervasive ADJ | spreading throughout |
| monogamy NOUN | being married or faithful to one partner |
| monopoly NOUN | one company or group having complete control over a product or service |
| monotheism NOUN | having one god |
| monotone NOUN | a voice that has no varation; all one sound |
| epithet NOUN | a noun phrase to describe a person |
| mononucleosis NOUN | a sickness that has to do with having one nuclei |
| subcantaneous ADJ | unerneath the skin's surface |