Guhan

Suits birth stars

• Thiruvathirai (கு, க, ங, ச)
• Avittam (க, கி, கு, கே)

By the first syllable, as in Tamil naming books — Tamil writes several sounds with one letter, so a name can suit more than one star.

Numerology (name number)

2 Moon (Chandran)

• Guhan: 2 (total 20)
• Gugan: 9 (total 18)

Chaldean numerology of the English spelling, as most Tamil numerology books use. Another spelling can give another number.

Check with the date of birth Boy names: number 2