| An International Language | Function | Medilingua |
|---|
| s = [s/z] | sound of letter s | s = [s] in all positions |
| - | reintroduction of letter z | z = [z] |
| - | reintroduction of letter w | w = [w/v] |
| - | orthographic spelling | optional: c = [s] before e,i; = [k] in all other positions |
| li | definite article ("the") | le |
| lu(m) | pronoun it | ile, ilum, or lo as in lo boni = le bonum |
| -n | genitive ending | suppressed in favor of de |
| -m | accusative ending | suppressed |
| me | 1sg pronoun | io |
| nus | 1pl pronoun | nos |
| le/o/a | 3sg pronouns | ile/o/a |
| men | 1sg possessive pronoun | mi |
| nusen | 3sg possessive pronoun | nostre |
| vun, vusen | 2sg, 2pl possessive pronouns | vostre |
| len/lon/lan/lesen/sen etc. | 3sg/pl possessive pronouns | su |
| mutu | reciprocal pronoun | unaltres |
| disi | this | isti |
| tu | infinitive particle | suppressed |
| let | hortative particle | las |
| did | past tense particle | suppress in favor of -d |
| sal/ve | future tense | va |
| vud, -ud | conditional tense | vel |
| bli | passive of becoming | bli/fi |
| -eso | suffix for "being" | -ie |
| -um | names of languages | -ese |
| -ilo | suffix for "tool, instrument" | -ile |
| -ia | suffix for countries, domains etc. | suppress use for abstract domains, fields, sciences etc. in favor of -ie |
| -aro | suffix for "group of" | -are |
| -(t)ione | verbal suffix | -(t)ion(e) |
| -iv(i) | suffix "that can" | -(t)iv(i) |
| -tem | suffix for "time" | -tempe better |
| -foy | suffix for "times, occasions" | -ves (from vese) |
| -m(an) | regular adverb ending | -m(ente) |
| ob | question word | eske |
| -u | preposition adverb ending | -im |
| hinter | prepn. "behind" | arier |
| after | prepn. "after" | pos |
| insted | prepn. "instead" | vise |
| | |