ingenio, m., ingenuity, cleverness, wit, mind.
ingenioso, -a, ingenious, clever.
ininteligible, unintelligible.
inmediato, -a, immediate, next, adjacent, very near.
inmensidad, f., immensity.
inmenso, -a, immense.
inmortal, immortal.
inmóvil, motionless.
iumovilidad, f., immobility.