The NIV has 5 references using the word “doctrine” and one using”doctrines”:
- 1 Timothy 1:10
for the sexually immoral, for those practicing homosexuality, for slave traders and liars and perjurers—and for whatever else is contrary to the sound doctrine
1 Timothy 1:9-11 (in Context) 1 Timothy 1 (Whole Chapter)
- 1 Timothy 4:16
Watch your life and doctrine closely. Persevere in them, because if you do, you will save both yourself and your hearers.
1 Timothy 4:15-16 (in Context) 1 Timothy 4 (Whole Chapter)
- 2 Timothy 4:3
For the time will come when people will not put up with sound doctrine. Instead, to suit their own desires, they will gather around them a great number of teachers to say what their itching ears want to hear.
2 Timothy 4:2-4 (in Context) 2 Timothy 4 (Whole Chapter)
- Titus 1:9
He must hold firmly to the trustworthy message as it has been taught, so that he can encourage others by sound doctrine and refute those who oppose it.
Titus 1:8-10 (in Context) Titus 1 (Whole Chapter)
- Titus 2:1
[ Doing Good for the Sake of the Gospel ] You, however, must teach what is appropriate to sound doctrine.
- 1 Timothy 1:3
[ Timothy Charged to Oppose False Teachers ] As I urged you when I went into Macedonia, stay there in Ephesus so that you may command certain people not to teach false doctrines any longer
It does also have 89 references containing the word “teaching” and a further 10 with “teachings”.