| A | B |
| prim | early, first |
| pro | in favor of, forward, for |
| put | think |
| quad(ri) | four |
| quin(que) | five |
| quies, quiet | rest |
| re | back, again |
| reg, rig, rect | guide, rule |
| retro | backward |
| sacr, secr | sacred |
| sanct | holy, sacred |
| scien | know, knowledge |
| scrib, script | write |
| se | apart, away |
| sed, sid, sess | sit |
| semi | half |
| sen | old |
| sens, sent | feel |
| sept | seven |
| sequ, secu | follow |
| serv | save |
| sex | six |
| simil, simul | like |
| sist | stand |
| sol | alone |
| solv, solu | loosen |
| somn | sleep |
| son | sound |
| spec, spect | look |
| spir | breathe |
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