Invocations during Ruki' (bowing in prayer)
5 adhkar in their Arabic wording from Hisn al-Muslim, with their English meaning.
بِسْمِ اللَّهِ الرَّحْمَٰنِ الرَّحِيمِ
Bismillahir-rahmanir-raheem
Each dua: the Arabic, then a transliteration to help you say it aloud, then its meaning.
((سُبْحانَ رَبِّيَ الْعَظِيمِ)). ثلاث مرَّاتٍ.
Subhana rabbiyal-'azeem. (3 times).
(How perfect my Lord is, The Supreme.’(three times))
3 times((سُبْحَانَكَ اللَّهُمَّ رَبَّنَا وَبِحَمْدِكَ، اللَّهُمَّ اغْفِرْ لِي)).
Subhanakallahumma rabbana wabihamdik, Allahummaghfir lee.
(How perfect You are O Allah, our Lord and I praise You. O Allah, forgive me.)
once((سُبُّوُحٌ، قُدُّوسٌ، رَبُّ المَلاَئِكَةِ وَالرُّوحِ)).
Subbuwuh, quddoos, rabbul-mala'ikati war-rooh.
(Perfect and Holy (He is), Lord of the angles and the Rooh (i.e. Jibra-eel).)
once((اللَّهُمَّ لَكَ رَكَعْتُ، وَبِكَ آمَنْتُ، وَلَكَ أَسْلَمْتُ، خَشَعَ لَكَ سَمْعِي، وَبَصَرِي، وَمُخِّي، وَعَــــظْمِي، وَعَصَبِي، [وَمَا استَقَلَّتْ بِهِ قَدَمِي])).
Allahumma laka raka't, wabika amant, walaka aslamt, khasha'a laka sam'ee, wabasaree, wamukhkhee, wa'azmee, wa'asabee, (wamastaqallat bihi qadamee).
(O Allah, unto You I have bowed, and in You I have believed, and to You I have submitted. My hearing, sight, mind, bones, tendons and what my feet carry are humbled before You.)
once((سُبْحَانَ ذِي الْجَبَرُوتِ، وَالْمَلَكُوتِ، وَالْكِبْرِيَاءِ، وَالْعَظَمَةِ)).
Subhana dhil-jabaroot, wal-malakoot, wal-kibriya', wal-'azamah.
(How perfect He is, The Possessor of total power, sovereignty, magnificence and grandeur.)
once
Source: Hisn al-Muslim by Saʿid ibn ʿAli ibn Wahf al-Qahtani. The Arabic is verbatim from the book; the English meaning is from the hisnmuslim.com English edition. The transliteration is generated by Waqtazan from the voweled Arabic as a reading aid — the Arabic and the recitation remain the reference. Virtues are quoted only from authentic hadith (al-Bukhari, Muslim, or graded sahih/hasan by al-Albani). Recitations: hisnmuslim.com.