| Term | Definition |
| bo- | related by marriage |
| dis- | in several directions |
| ek- | (suddenly) begin |
| eks- | no longer |
| fi- | bad (in principle referring to character) |
| ge- | the two sexes together |
| mal- | inverse; opposite |
| mis- | not rightly; in error |
| pra- | a very long time ago or (when talking about descendents) future |
| re- | again, another time; inverse direction |
| -aĉ- | bad (in principle referring to quality) |
| -ad- | continuous or repeated action |
| -aĵ- | something concrete, specific |
| -an- | member |
| -ar- | many taken as a whole |
| -ĉj- | forms familiar form of male names (after 2-5 letters of the name) |
| -ebl- | can be done |
| -ec- | quality as an abstract idea |
| -eg- | very large; very strongly |
| -ej- | place |
| -em- | inclination or tendency |
| -end- | must be done |
| -er- | fragment, one of many similar pieces |
| -estr- | person who guides, rules, presides |
| -et- | very small; very weakly |
| -id- | offspring |
| -ig- | cause something to be |
| -iĝ- | become |
| -il- | instrument, tool |
| -in- | indicates female sex |
| -ind- | good to do, worthy of |
| -ing- | a holder into which something is inserted |
| -ism- | way of thought, belief system |
| -ist- | practitioner of a profession, continued hobby or way of thinking |
| -nj- | forms familiar form of female names (after 2-5 letters of the name) |
| -obl- | multiplication; times |
| -on- | fraction |
| -op- | group of |
| -uj- | container |
| -ul- | person |
| -um- | indefinite relation |