| Obaid (وعباید) | Small slave | 22 | Boy |
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| Obalesh | Lord Shiva, Lord of the Linga, Epithet of Shiva | 8 | Boy |
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| Obalesh (ஓபலேஷ) | Lord Shiva, Lord of the Linga, Epithet of Shiva | 8 | Boy |
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| Obuli | Name of a Hindu God | 5 | Boy |
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| Obuli (ஓபுலீ) | Name of a Hindu God | 5 | Boy |
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| Oha | Meditation; True knowledge | 6 | Boy |
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| Oha (ஓஹா) | Meditation; True knowledge | 6 | Boy |
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| Ohas | Praise | 7 | Boy |
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| Ohas (ஓஹஸ) | Praise | 7 | Boy |
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| Oisin | Divine | 3 | Boy |
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| Oisin (ஓஈஸீந) | Divine | 3 | Boy |
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| Ojas | Body strength | 9 | Boy |
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| Ojas (ஓஜஸ) | Body strength | 9 | Boy |
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| Ojaswin | Lustrous | 1 | Boy |
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| Ojaswin (ஓஜஸ்விந) | Lustrous | 1 | Boy |
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| Ojaswit | Powerful; Radiant | 7 | Boy |
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| Ojaswit (ஓஜஸ்வீத) | Powerful; Radiant | 7 | Boy |
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| Ojayit | Courageous | 8 | Boy |
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| Ojayit (ஓஜயித) | Courageous | 8 | Boy |
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| Ojis | Teej ojisvi (Sharp and powerful) | 8 | Boy |
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| Ojis (ஆஜிஸ) | Teej ojisvi (Sharp and powerful) | 8 | Boy |
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| Ojjaswin | Body strength | 11 | Boy |
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| Ojjaswin (ஓஜஸ்விந) | Body strength | 11 | Boy |
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| Olka | Homeland | 3 | Boy |
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| Om | The sacred syllable | 1 | Boy |
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| Om (ஓம) | The sacred syllable | 1 | Boy |
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| Om Parkash | Light of God | 3 | Boy |
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| Om Parkash (ஓமப்ரகாஷ) | Light of God | 3 | Boy |
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| Omaansh | The sacred symbol of Om | 8 | Boy |
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| Omaansh (ஓமாஂஷ) | The sacred symbol of Om | 8 | Boy |
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| Omahara | Welling up of rapture | 3 | Boy |
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| Omair (اومیر) | Long living; Problem solver | 11 | Boy |
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| Omanand | Joy of Om | 8 | Boy |
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| Omanand (ஓமாநஂத) | Joy of Om | 8 | Boy |
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| Omar (عومار) | Elevated; An Era; Long-lived | 2 | Boy |
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| Omarjeet | Lord of Om | 6 | Boy |
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| Omarjeet (ஓமரஜீத) | Lord of Om | 6 | Boy |
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| Omav | Avatar of Om; Incarnation of God | 6 | Boy |
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| Omav (ஓமாவ) | Avatar of Om; Incarnation of God | 6 | Boy |
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| Omdutt | Given by God | 3 | Boy |
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| Omdutt (ஓமதத்த) | Given by God | 3 | Boy |
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| Omeed (اومید) | Hope | 6 | Boy |
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| Omeir (اومیر) | Long living; Problem solver | 6 | Boy |
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| Omesa | Lord of Om | 8 | Boy |
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| Omesa (ஓமேஸா) | Lord of Om | 8 | Boy |
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| Omesh | Lord of the Om | 6 | Boy |
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| Omesh (ஓமேஷ) | Lord of the Om | 6 | Boy |
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| Omeshwar | Lord of the Om | 3 | Boy |
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| Omeshwar (ஓமேஷ்வர) | Lord of the Om | 3 | Boy |
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| Omid (اومید) | Hope | 5 | Boy |
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| Omish | Lord of the Om | 1 | Boy |
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| Omish (ஓமீஷ) | Lord of the Om | 1 | Boy |
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| Omja | Born of cosmic unity | 3 | Boy |
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| Omja (ஓம்ஜா) | Born of cosmic unity | 3 | Boy |
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| Omkar | The sound of the sacred syllable; One who has the form of Om | 22 | Boy |
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| Omkar (ஓமகார) | The sound of the sacred syllable; One who has the form of Om | 22 | Boy |
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| Omkara | The sound of the sacred syllable; One who has the form of Om | 5 | Boy |
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| Omkara (ஓமகாரா) | The sound of the sacred syllable; One who has the form of Om | 5 | Boy |
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| Omkareshwar | Lord Shiva, Lord of Om | 6 | Boy |
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| Omkareshwar (ஓமகாரேஷ்வர) | Lord Shiva, Lord of Om | 6 | Boy |
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