Henotes denotes a unity to be preserved in the Spirit and attained in faith and knowledge.

The two occurrences show a single use: unity described as something to preserve in connection with the Spirit and peace, and as a shared goal of faith and knowledge leading toward mature manhood.

1. Shared unity to preserve and attain · dominant

   Both occurrences use the accusative singular form ἑνότητα. In Ephesians 4:3 the APB renders the clause "Being eager to keep the unity of the Spirit in the bond of peace," while Ephesians 4:13 renders a goal of attaining "the unity of the faith and of the knowledge of the Son of God" alongside mature manhood.

   Ephesians 4:3Ephesians 4:13

In the Anselm Project Bible: The APB presents the term as "unity" in both verses: something to keep in Ephesians 4:3 and something to attain in Ephesians 4:13. These phrases describe the clauses rather than establish separate lexical senses.