ĀpŚS, 19, 23, 1.2 tvāṃ vṛtreṣv indra satpatiṃ naras tvāṃ kāṣṭhom ity anūcya svarvato 'bhi tvā śūra nonuma iti yajet //

ṚV, 6, 50, 2.2 dvijanmāno ya ṛtasāpaḥ satyāḥ svarvanto yajatā agnijihvāḥ //