Matthew 7:28διδαχῇ
When Jesus had finished saying these things, the crowds were astonished at His teaching,
Mark 1:22διδαχῇ
The people were astonished at His teaching, because He taught as one who had authority, and not as the scribes.
John 7:16διδαχὴ
“My teaching is not My own,” Jesus replied. “It comes from Him who sent Me.
Acts 2:42διδαχῇ
They devoted themselves to the apostles’ teaching and to the fellowship, to the breaking of bread and to prayer.
2 John 1:9διδαχῇ
Anyone who runs ahead without remaining in the teaching of Christ does not have God. Whoever remains in His teaching has both the Father and the Son.
Revelation 2:14διδαχὴν
But I have a few things against you, because some of you hold to the teaching of Balaam, who taught Balak to place a stumbling block before the Israelites so they would eat food sacrificed to idols and commit sexual immorality.

Abbott-Smith

διδαχή, -ῆς, ἡ
(διδάσκω), [in LXX: Psa.60:1-12 title. (לָמַד pi.); Sm.: Deu.33:8 * ;]

1. objectively, teaching, doctrine, that which is taught: Mrk.1:27, Jhn.7:16, Act.17:19, Rom.6:7 16:17, 2Jn.10, Rev.2:24; with genitive poss., Mat.7:28 16:12 22:33, Mrk.1:22 11:18, Luk.4:32, Jhn.18:19, Act.5:28, Rev.2:14-15; ἡ δ., of Christ, Jhn.7:17, Act.13:12, 2Jn.9; of. τὴν δ., Tit.1:9; with genitive obj., βαπτισμῶν δ., Heb.6:2; pl., Heb.13:9.

2. Actively, teaching: Act.2:42, 2Ti.4:2; ἐν τ. δ., in the course of his teaching: Mrk.4:2 12:38; λαλεῖν ἐν δ., 1Co.14:6; ἔχειν δ., 1Co.14:26 (DCG, i, 485; Cremer, 181).†
SYN.: διδασκαλία
(AS)

Sources: Abbott-Smith’s Manual Greek Lexicon of the New Testament (1922, public domain) and glosses from STEPBible TBESG (CC BY 4.0); STEPBible TAGNT (Greek New Testament, CC BY 4.0); the Berean Standard Bible (public domain). Reformatted by Word Study, wording unchanged. All sources and licenses.