| Thavineish | Another name of Lord Shiva | 7 | Boy |
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| Thavni | | 11 | Girl |
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| Thayalan | Lord Shiva; Kind | 1 | Boy |
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| Thayanban | Devoted to one's mother | 5 | Boy |
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| Thea | Gift of God; A bird | 7 | Girl |
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| Theekshika | On the name of Rashi Libra | 7 | Girl |
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| Theena | A God | 8 | Boy |
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| Theenash | Rising star | 8 | Boy |
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| Theenish | Loving; domestic | 7 | Boy |
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| Theeraj | docile; gentle; kind | 4 | Boy |
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| Theertha | Holy water; Pilgrimage centers | 4 | Girl |
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| Theeswari | Goddess omsakthi | 9 | Girl |
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| Theja | Light; Lustrous; Power; Brilliant | 8 | Boy |
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| Thejal | Lustrous; Energetic; Gifted; Brilliant | 2 | Girl |
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| Thejas | Sharpness; Brightness; Tip of the flame; Light; Brilliance; Gold; Power; Might honour; Fire; Spirit brilliance | 9 | Boy |
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| Thejorashi | Effulgence | 5 | Girl |
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| Thejovathy | Goddess Durga, She who shines | 8 | Girl |
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| Thejus | Radiant energy; Brilliance | 2 | Boy |
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| Thenappan | Kind | 5 | Boy |
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| Thenmoli | Speaks sweet like honey | 6 | Girl |
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| Thennavani | Goddess | 9 | Girl |
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| Thenral | Cool breeze; Encouraging | 6 | Girl |
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| Theshvin | | 6 | Boy |
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| Thevan | Godly | 7 | Boy |
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| Thiivyesh | Lord of happiness and satisfaction | 8 | Boy |
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| Thikshika | Bright | 6 | Girl |
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| Thilak | A spot of vermilion; Sandal wood paste on the forehead, auspicious ritualistic mark applied on the forehead; A flowering tree | 7 | Boy |
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| Thilakavathy | Decorative; Name of a river | 3 | Girl |
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| Thilan | Self love; confidant | 1 | Boy |
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| Thilang | Name of a Raga | 8 | Boy |
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| Thinakaran | Brilliant like the Sun; Intelligent | 7 | Boy |
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| Thines | | 3 | Boy |
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| Thinitha | | 8 | Girl |
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| Thirishka | Guider; Intelligence; Optimistic | 4 | Girl |
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| Thirtha | Holy water; Pilgrimage centers | 3 | Girl |
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| Thiru | Shri | 4 | Boy |
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| Thiru Murugan | The wise; Knowledgeable; Attained realisation | 9 | Boy |
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| Thiruchandra | Intolerant; Adorable; Charming | 8 | Girl |
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| Thirugnanam | A wise; Knowledgeable; Attained realisation | 9 | Boy |
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| Thirumalai | Abode of Lord venkateswara or holy place | 4 | Boy |
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| Thirumalesh | Name of Lord Venkateshwar | 8 | Boy |
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| Thirumani | Precious Gem | 5 | Boy |
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| Thirumaran | Brave | 6 | Boy |
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| Thirumeni | The great body | 9 | Boy |
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| Thirupal | Nice | 6 | Girl |
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| Thirupathi | Sri venkateswara, Mahavirat, the famous name and fame in world | 4 | Boy |
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| Thirupati | Sri Venkateswara; Mahavirat, the famous name and fame in the world; Suitable for boys | 5 | Boy |
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| Thiruvalluvar | Author of tamil classic, Thirukural | 5 | Boy |
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| Thishan | Great Ruler | 7 | Boy |
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| Thitiksha | Patience; Forgiveness; Tolerance | 6 | Girl |
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| Thivyan | Divine; Intelligent | 9 | Boy |
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| Thiya | Gift of God | 9 | Girl |
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| Thiyahu | | 11 | Boy |
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| Thiyash | Lights; Lord Murugan | 9 | Boy |
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| Thnesh | | 11 | Boy |
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| Tholakshi | Goddess Parvati, Consort of Lord Shiva, Parvati | 4 | Girl |
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| Thomogna | Lord Shiva | 3 | Boy |
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| Thranisa | | 9 | Girl |
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| Thraya | Three | 1 | Girl |
|
| Thresha | Star; Noble | 7 | Girl |
|
