Name #802 of 1000 · Viṣṇu Sahasranāma
सर्ववागीश्वरेश्वरःsarvavāgīśvareśvaraḥ
Sarvavagishvareshvara
The lord of all the lords of speech
From shloka 86 · chapter Kṛṣṇa
सुवर्णबिन्दुरक्षोभ्यः सर्ववागीश्वरेश्वरः ।
महाह्रदो महागर्तो महाभूतो महानिधिः ॥
suvarṇabindurakṣobhyaḥ sarvavāgīśvareśvaraḥ
mahāhrado mahāgarto mahābhūto mahānidhiḥ
Also in this shloka: suvarṇabinduḥ · akṣobhyaḥ · mahāhradaḥ · mahāgartaḥ · mahābhūtaḥ · mahānidhiḥ