- immigrational23
- immoral14
- immortal15
- immunochemical34
- immunocytochemical43
- immunohematological39
- immunohistochemical41
- immunological28
- immunopathological38
- impartial16
- imperatorial19
- imperial15
- impersonal18
- impolitical22
- impractical24
- improvisational27
- improvisatorial26
- inaugural15
- incantational20
- inchmeal18
- incidental17
- incisal12
- inclinational21
- inconsequential32
- incorporeal19
- incremental20
- incudal14
- indexical22
- indicational19
- individual19
- indusial12
- industrial14
- ineffectual23
- inertial10
- inessential14
- infanticidal22
- infaunal15
- inferential17
- infernal14
- infinitesimal22
- infinitival21
- inflectional22
- influential19
- influenzal27
- infomercial22
- informal16
- informational22
- infrugal16
- inguinal14
- inhalational18
- inimical16
- initial9
- innovational20
- inquisitional26
- inquisitorial25
- inscriptional22
- insecticidal21
- insertional14
- inspirational19
- instal8
- instinctual18
- institutional17
- instructional20
- instrumental19
- insubstantial20
- insurrectional21
- integral12
- intellectual20
- intelligential21
- intensional15
- intentional15
- interactional19
- interannual16
- interbehavioral26
- intercensal17
- intercessional20
- interchromosomal29
- intercoastal17
- intercolonial20
- intercommunal26
- intercontinental24
- intercortical21
- intercostal16
- intercultural21
- interdenominational28
- interdental15
- interdepartmental27
- interdialectal21
- interdivisional23
- interfacial19
- interfamilial22
- interferential20
- interfluvial23
- intergenerational23
- interglacial20
- intergovernmental30
- intergradational22
- interindividual25
- interinstitutional23
- interjectional29
- interjurisdictional36
- interlocal16
- intermarginal21
- intermenstrual21
- interministerial22
- intermodal16
- intermural16
- internal11
- international17
- interneuronal18
- internodal14
- internuncial20
- interorbital17
- interorganizational34
- interparochial24
- interparoxysmal32
- interperceptual27
- interpersonal19
- interphalangeal26
- interpluvial23
- interpopulational28
- interpretational22
- interprofessional26
- interprovincial28
- interproximal28
- interracial16
- interregional18
- interrenal13
- interrogational20
- intersectional20
- intersegmental22
- intersexual21
- intersocietal18
- interstadial15
- interstitial14
- interterminal19
- interterritorial18
- intertestamental22
- intertextual22
- intertidal13
- intertrial12
- intertribal16
- intertropical21
- interval14
- intervertebral23
- interzonal22
- intestinal13
- inthral11
- intimal12
- intonational16
- intracardial18
- intracerebral21
- intracranial18
- intradermal17
- intramural16
- intranasal13
- intraperitoneal21
- intrapersonal19
- intrapreneurial22
- intrathecal18
- intravital16
- intrazonal22
- intrinsical17
- introspectional24
- intuitional15
- inventorial18
- investigational24
- invital13
- invitational19
- invocational22
- involucral21
- involutional21
- ipsilateral16
- irenical13
- ironical13
- irrational12
- irreal7
- irrotational14
- ischial13
- isochronal17
- isoglossal14
- isogonal12
- isohyetal14
- isophotal15
- isothermal16
- jacal18
- jackal23
- janitorial21
- jejunal28
- jesuitical24
- jingal19
- joual16
- journal19
- jovial20
- judgmatical31
- judgmental28
- judicial23
- jugal18
- jumbal23
- junctional26