1 Timothy 1:10 πόρνοις ἀρσενοκοίταις ἀνδραποδισταῖς ψεύσταις ἐπιόρκοις, καὶ εἴ τι ἕτερον τῇ ὑγιαινούσῃ διδασκαλίᾳ ἀντίκειται
for the sexually immoral, for homosexuals, for slave-traders, for liars, for perjurers, and for any other thing contrary to the sound doctrine;
Noun: Dative Singular Feminine

1 Timothy 4:13 ἕως ἔρχομαι πρόσεχε τῇ ἀναγνώσει, τῇ παρακλήσει, τῇ διδασκαλίᾳ.
Until I come, pay attention to reading, to exhortation, and to teaching.
Noun: Dative Singular Feminine

1 Timothy 4:16 ἔπεχε σεαυτῷ καὶ τῇ διδασκαλίᾳ, ἐπίμενε αὐτοῖς· τοῦτο γὰρ ποιῶν καὶ σεαυτὸν σώσεις καὶ τοὺς ἀκούοντάς σου.
Pay attention to yourself, and to your teaching. Continue in these things, for in doing this you will save both yourself and those who hear you.
Noun: Dative Singular Feminine

1 Timothy 5:17 Οἱ καλῶς προεστῶτες πρεσβύτεροι διπλῆς τιμῆς ἀξιούσθωσαν, μάλιστα οἱ κοπιῶντες ἐν λόγῳ καὶ διδασκαλίᾳ.
Let the elders who rule well be counted worthy of double honor, especially those who labor in the word and in teaching.
Noun: Dative Singular Feminine

1 Timothy 6:1 ὅσοι εἰσὶν ὑπὸ ζυγὸν δοῦλοι, τοὺς ἰδίους δεσπότας πάσης τιμῆς ἀξίους ἡγείσθωσαν, ἵνα μὴ τὸ ὄνομα τοῦ θεοῦ καὶ ἡ διδασκαλία βλασφημῆται.
Let as many as are bondservants under the yoke count their own masters worthy of all honor, that the name of God and the doctrine not be blasphemed.
Noun: Nominative Singular Feminine

1 Timothy 6:3 εἴ τις ἑτεροδιδασκαλεῖ καὶ μὴ προσέρχεται ὑγιαίνουσιν λόγοις τοῖς τοῦ κυρίου ἡμῶν Ἰησοῦ Χριστοῦ καὶ τῇ κατ' εὐσέβειαν διδασκαλίᾳ,
If anyone teaches a different doctrine, and doesn't consent to sound words, the words of our Lord Jesus Christ, and to the doctrine which is according to godliness,
Noun: Dative Singular Feminine

2 Timothy 3:10 Σὺ δὲ παρηκολούθησάς μου τῇ διδασκαλίᾳ, τῇ ἀγωγῇ τῇ προθέσει, τῇ πίστει, τῇ μακροθυμίᾳ τῇ ἀγάπῃ τῇ ὑπομονῇ,
But you did follow my teaching, conduct, purpose, faith, patience, love, steadfastness,
Noun: Dative Singular Feminine

Titus 1:9 ἀντεχόμενον τοῦ κατὰ τὴν διδαχὴν πιστοῦ λόγου, ἵνα δυνατὸς ᾖ καὶ παρακαλεῖν ἐν τῇ διδασκαλίᾳ τῇ ὑγιαινούσῃ καὶ τοὺς ἀντιλέγοντας ἐλέγχειν.
holding to the faithful word which is according to the teaching, that he may be able to exhort in the sound doctrine, and to convict those who contradict him.
Noun: Dative Singular Feminine

Titus 2:1 Σὺ δὲ λάλει ἃ πρέπει τῇ ὑγιαινούσῃ διδασκαλίᾳ.
But say the things which fit sound doctrine,
Noun: Dative Singular Feminine

Titus 2:7 περὶ πάντα, σεαυτὸν παρεχόμενος τύπον καλῶν ἔργων, ἐν τῇ διδασκαλίᾳ ἀφθορίαν, σεμνότητα,
in all things showing yourself an example of good works; in your teaching showing integrity, seriousness, incorruptibility,
Noun: Dative Singular Feminine