sankirtanam

sańkīrtanam — the congregational chanting; SB 6.3.24
sańkīrtanam — the congregational chanting of the holy name; SB 6.3.31
nāma-sańkīrtanam — the congregational chanting of the holy name; SB 12.13.23
nāma-sańkīrtanam — chanting the Hare Kṛṣṇa mahā-mantra; CC Madhya 22.132
śrī-kṛṣṇa-sańkīrtanam — for the congregational chanting of the holy name of Kṛṣṇa; CC Antya 20.12