ἐκτενῶς, adverb, earnestly, fervently: Acts 12:5 L T Tr WH; ἀγαπᾶν, 1 Peter 1:22. (Jonah 3:8; Joel 1:14; 3Macc. 5:9. Polybius etc. Cf. Lob. ad Phryn., p. 311; (Winer's Grammar, 25; 463 (431)).)
Acts 12:5 - Adv GRK:δὲ ἦν ἐκτενῶς γινομένη ὑπὸ NAS: for him was being made fervently by the church INT: moreover was fervent made by
1 Peter 1:22 - Adv GRK:ἀλλήλους ἀγαπήσατε ἐκτενῶς NAS: love of the brethren, fervently love KJV: a pure heart fervently: INT: one another love you fervently