| Esperanto | Interglossa | Meaning | Anglo- American Key-word | |
| kun | syn | (123) | with | syndrome |
| laŭ | harmono | (112) | according to | harmonious |
| per | per | (117) | by means of | per post |
| po | ratio | (388) | at the rate of | rate |
| por | functio | (111) | for (the use of) | function |
| por | tendo | (125) | in order to | tendentious |
| post | post | (72) | after (time) | postdate |
| post | retro | (97) | behind | retrogression |
| preter | tele | (39) | beyond | telescope |
| pro | causo | (104) | because of | cause |
| sen | minus | (115) | without | minus |
| sub | hypo | (85) | under, below | hypodermic |
| super | supero | (98) | over, above | superior |
| sur | epi | (82) | on (the surface of) | epidermis |
| trans | trans | (101) | across | transatlantic |
| (b) Conjunctions | ||||
| alie | hetero | (258) | otherwise | heterogeneous |
| aŭ | allo | (102) | or | allotropic |
| car | causo | (104) | because | causality |
| dum | tem | (75) | while | temporary |
| kiel eksemple | specio | (423) | for example | specimen |
| por ke | tendo | (125) | in order that | tendentious |
| same kiel | homo | (113) | just as | homology |
| kaj | plus | (118) | and | plus |
| se | conditio | (107) | if (real) | condition |
| se | postulo | (119) | if (hypothetical) | postulate |
| sed | anti re | (103) (6) | but | antithesis |
| (c) Comparison | ||||
| pli | major | (45) | more | Ursa Major |
| malpli | minor | (46) | less | Ursa Minor |
| tiel | iso | (46) | equally (as) | isosceles |
| (d) Articles | ||||
| la | uN | (12) | the (singular) | unity |
| la | plu | (13) | the (plural) | plurality |
| malmultaj | oligo | (14) | few | oligarchy |
| ĉiuj | pan | (15) | all | pan-American |
| multaj | poly | (16) | many | polygon |
| multe da | mega | (22) | much | megaphone |
| malmulte da | micro | (23) | little | micrometer |
| sufiĉe da | satio | (25) | enough | satiety |