mantraḥ
- chanting of the Vedic hymns — SB 9.6.35-36
- mantra — Madhya 15.110
- the Hare Kṛṣṇa mantra — SB 6.2.19
- the Vedic hymns — SB 4.7.45
- transcendental chant — Bg. 9.16
mantrāḥ
- specific hymns to offer to a particular demigod — SB 2.6.26
abhedya-mantrāḥ
- whose determination to carry out the orders of the spiritual master is unbreakable — SB 6.7.24