Identical (adjective)

1. Exactly alike; indistinguishable.
2. Being the exact same one; not different.

Origin:

Late 16th century: from french identique or latin identicus, from idem 'the same'. the original sense was "having the same form or nature", later "having the same form and contents" (sense 2), giving rise to the current sense.

Examples:

1. The two books are identical in every way.
2. The twins were born with identical looks.
3. The shoes are identical except for the color.
4. He always wears identical suits.
5. The police found an identical car to the one seen leaving the scene of the crime.