ʽĭalo-ˠnos [Ialonus] (theonym).
ĭantu-malĭos [Iantumalius] (anthroponym).
ĭantu-mārā [Iantumara]
ĭantu-mārā [Iantumarus; OI. étmar] (anthroponym).
ĭantunā [Iantuna] (anthroponym).
ĭātīnom [Iatinum] (toponym).
ĭat-īsoᶰ [Iatiso] (anthroponym).
ʽiblĭo-durom [Ibliodurum] (toponym).
ʽiblĭo-mārĭā [Ibliomaria] (anthroponym).
ʽiblĭo-mārĭos [Ibliomarius] (anthroponym).
ʽiblĭo-māros [Ibliomarus] (anthroponym).
ʽic-eᶰ-ˠnos [Iceni] (ethnonym).
ʽiciĭo-dŭorom [Iciodorum] (toponym).
ʽiciĭo-durom [Iciodurum] (toponym).
ʽiciĭom [Icium] (headland toponym).
ʽiciĭo-magūs [Iciomagus] (toponym).
ʽidŭā [Hidua] (theonym).
ʽidŭ-ants [Idbans] (theonym).
ĭĕcc-āŭos [Iccauos] (anthroponym).
ĭeccĭos [Iccios] (anthroponym).
ĭecco-ˠnā [Iccona] (theonym).
ĭeĭurŏ [ieiuru]
ʽĭenā [Iena] (hydronym). .
ĭentu-māros [Ientumarus]
ʽĭerā-brigā [Hierabriga] (toponym).
ʽĭernos [Iernus] (fluvial hydronym).
ĭestīnĭos [Iestinius] (anthroponym).
ĭestīnos [Iestinus] (anthroponym).
ĭeŭĕrŏ [ieuru]
ʽīmom [Imum] (toponym).
indos [Indus] (anthroponym).
ĭoɯī [Iouem] (toponym).
ĭoɯ-is-urā [Iouisura] (toponym).
ĭŏrcā [Iurca] (anthroponym).
ĭŏrcī-ˠnĭos [Iurcinius] (anthroponym).
ĭoŭantu-caros [Iouantucarus] (theonym).
ĭoŭencā [Iouinca] (anthroponym).
ĭoŭencātā [Ioincata] (anthroponym).
ĭoŭencatĭos [Ioincatius] (anthroponym).
ĭoŭencātos [Iouincatus] (anthroponym).
ĭoŭencillos [Iouincillus; Iouincilus] (anthroponym).
ĭoŭencĭo-ˠnĭos [Ioincionius] (anthroponym).
ĭoŭencĭos [Ioincius] (anthroponym).
ĭoŭenco-rīx [Ioincorix] (anthroponym).
ĭoŭenco-rīx [Iouigcorix] (anthroponym).
ĭoŭencos [Ioinchus] (anthroponym).
ĭoŭorŏ [iōru] (v). dedicated.
isamn-aŭ-antĭā [Isannauantia] (toponym).
isamnĭom [Isamnium] (headland toponym).
iscā [Isca] (fluvial hydronym).
iscettos [Iscittus] (theonym).
is-en-iscā [Isinisca] (toponym).
isĭā [isía] (n). onrush; charge.
īsi-brāĭā [Isibraia] (theonym).
is-ʽontā [Isonta] (fluvial hydronym).
isosā [Isosa] (theonym).
isox [esox; isox] (nm). salmon.
is-urĭom [Isurium] (toponym).
it-ūɯnā [Itūna] (fluvial hydronym).
iŭ-antos [Iuantus] (anthroponym).
iŭ-aŭom [Iuuauum] (toponym).
iŭ-āŭos [Iuauus] (theonym).
ʽīŭer-ˠnos [Iuerni] (ethnonym).
ĭugillĭācos [Iugilliacos] (anthroponym).
ĭugillos [Iugillos] (anthroponym).
ʽīŭĭācos [Iuiacus Mercurius] (theonym).
ʽīŭo-maglĭos [Iomaglius] (anthroponym).
ʽīŭo-magus [Iuomagus] (anthroponym).
ʽīŭo-rīx [Iuorix] (anthroponym).
ĭūr-ʽasĭos [Iurasius] (oronym).
ĭūris [Iuris] (oronym).