Antitupos describes something presented in correspondence with another reality, including baptism and hand-made holy places.

The two occurrences describe something set in correspondence with another reality: baptism is presented as a counterpart, while hand-made holy places are presented as representations of true things.

1. Corresponding representation or counterpart · dominant

   In 1 Peter 3:21, the nominative singular neuter form occurs in the statement about baptism, which the APB renders as saving “as its counterpart.” In Hebrews 9:24, the accusative plural neuter form modifies hand-made holy places; the APB renders the clause “which are representations of the true things.”

   1 Peter 3:21Hebrews 9:24

In the Anselm Project Bible: The APB presents the term with “counterpart” in 1 Peter 3:21 and “representations” in Hebrews 9:24. These renderings show the clauses' presentation rather than a precise one-to-one translation.