Similar to iuvenilis
- iuvenalis – youthful
- iuvenesco – to reach the prime of life
- iurisdictio – administration of justice, extent of competence
- iucundus – agreeable, gratifying, pleasant
- iumentum – beast of burden
- iugum – a pair, a team of oxen, beam of scales, bond, crest, crossbar, ridge, slavery, union, yoke
- iudex – judge, juror