Varuna in the Rig Veda
Mandala 1, Hymn 2 (Verse 7)
Rishi: Madhuchhandas | Devata: Mitra-Varuna | Chandas: Gayatri
Verse 1.2.7
Sanskrit
मित्रं हुवे पूतदक्षं वरुणं च रिशादसम् ।
धियं घृताचीं साधन्ता ॥
Word-by-Word
मित्रं (Mitra) | हुवे (I invoke) | पूतदक्षं (of pure strength) | वरुणं (Varuna) | च (and) | रिशादसम् (destroyer of foes) | धियं (prayer) | घृताचीं (bright) | साधन्ता (accomplishing).
Translation
I invoke Mitra of pure strength and Varuna, destroyer of foes, who together accomplish our bright and sincere prayers.
Mandala 5, Hymn 63 (Verse 1)
Rishi: Archit Atreya | Devata: Mitra-Varuna | Chandas: Trishtubh
Verse 5.63.1
Sanskrit
ऋतस्य गोपावधि तिष्ठथो रथं सत्यधर्माणा परमे व्योमनि ।
यमत्र मित्रावरुणावथो युवं तस्मै वृष्टिर्मधुमत्पिन्वते दिवः ॥
Word-by-Word
ऋतस्य (of Rta) | गोपौ (guardians) | अधि तिष्ठथः (mount) | रथं (chariot) | सत्यधर्माणा (of true laws) | परमे (highest) | व्योमनि (heaven) | वृष्टिः (rain) | मधुमत् (sweet) | पिन्वते (flows).
Translation
Guardians of Truth and keepers of true laws, you mount your chariot in the highest heaven; from there, O Mitra and Varuna, you send down the sweet rain.
Reference: Rig Veda

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