Similar to insula
- insuadibilis – adamant, immovable, not to be persuaded
- insuper – as mentioned above
- insumo – get one's wish, obtain one's desire
- infula – fillet, headband, insignia, insignia of office
- incola – resident
- incunabula – birthplace, infancy, origin, source, swddling clothes
- casula – chasuble, monk's cowl