I
| Mondlango | English |
| ia | some kind of |
| ial | somehow |
| iam | some time |
| iambo | iambus |
| ico | itch |
| ie | somewhere |
| iel | somehow |
| ideo | idea |
| ideala | ideal |
| idealizi | idealize |
| identa | identical |
| ideografo | ideography |
| ideologio | ideology |
| idilika | idyllic |
| idiomo | idiom |
| idioto | idiot |
| ido | offspring |
| idolo | idol |
| if | if |
| ignori | ignore |
| injenia | ingenious |
| ikono | icon |
| iktero | icterus |
| ileo | ileum |
| ileito | ileitis |
| ilo | tool, instrument |
| ilumini | illuminate |
| ilustri | illustrate |
| iluzio | illusion |
| imagi | imagine |
| imamo | imam |
| imanenta | immanent |
| imbibi | imbibe |
| iminenta | imminent |
| imiti | imitate |
| impakto | impact |
| impaso | impasse |
| imperativo | imperative |
| impetua | impetuous |
| impli | imply |
| impliki | implicate |
| importi | import |
| impotenta | impotent |
| impozi | impose |
| impreso | impression |
| impudenta | impudent |
| impulso | impulse |
| imputi | impute |
| imuna | immune |
| incendi | arson |
| incenso | incense |
| incesto | incest |
| incidento | incident |
| inciti | incite |
| inco | inch |
| indekso | index |
| Indiano | Indian |
| indigna | indignant |
| indigo | indigo |
| indijena | indigenous |
| indiki | indicate |
| individuo | individual |
| Indonezio | Indonesia |
| indulgi | indulge |
| industro | industry |
| inerta | inert |
| inerto | inertia |
| infano | infant, child |
| infaneco | childhood |
| infekti | infect |
| infero | hell |
| infinito | infinite |
| disinfinito | infinitesimal |
| infinitivo | infinitive |
| infinitudo | infinitude |
| inflamo | inflame |
| influi | influence |
| informi | inform |
| inhali | inhale |
| inhibi | inhibit |
| inita | initial |
| initi | initiate |
| initoro | initiator |
| injekti | inject |
| inko | ink |
| inkludi | include |
| inkognito | incognito |
| inkubo | incubus |
| inkuri | incur |
| inoguri | inaugurate |
| insekto | insect |
| inserti | insert |
| insigno | insignia |
| insisti | insist |
| inspekti | inspect |
| inspiri | inspire |
| instali | install |
| instigi | instigate |
| instrui | instruct |
| instrumo | instrument |
| insulo | island |
| insularo | archipelago |
| insulti | insult |
| insuri | insure |
| integra | integral |
| intelekto | intellect |
| inteligenta | intelligent |
| intendi | intend |
| intensa | intense |
| inter | between |
| intercanji | interchange |
| intereso | interest |
| interezo | interest |
| interfaso | interface |
| interferi | interfere |
| interjekti | interject |
| interjekto | interjection |
| intermita | intermittent |
| interlango | international language |
| interna | internal |
| interogi | interrogate |
| interpoli | interpolate |
| interpreti | interpret |
| interrupti | interrupt |
| intersekti | intersect |
| interspaso | spacing |
| interveni | intervene |
| intima | intimate |
| intra | inner |
| intrigi | intrigue |
| introduki | introduce |
| introduko | introduction |
| introspekti | introspect |
| intuo | intuition |
| inundi | inundate |
| inundo | inundation |
| invadi | invade |
| invalido | invalid |
| inventorio | inventory |
| inversa | inverse |
| investi | invest |
| investigi | investigate |
| inviti | invite |
| invitilo | invitation |
| involvi | involve |
| io | something |
| iom | some |
| iono | ion |
| Irako | Iraq |
| Irano | Iranian |
| Iranio | Iran |
| iri | go |
| eniri | go into |
| eliri | go out |
| irigi | irrigate |
| Irlando | Ireland |
| irono | irony |
| isi | become |
| Islamo | Islam |
| Islando | Iceland |
| ismo | -ism |
| isoli | isolate |
| isotopo | isotope |
| Isrelo | Israel |
| isto | -ist |
| isui | issue |
| Italio | Italy |
| Italiano | Italian |
| italiko | italic |
| itemo | item |
| iu | somebody |
| ius | somebody's |
| ivio | ivy |
| izi | make become |