The answer to this is contextual.
Since
Tammy could be a nickname for
Tamara, I would normally suggest going with the full
Tamara myself. However, I am not a fan of
Tamara as a name (it doesn't seem to fit the culture of my family, or my tastes) - so I like
Tammy better of the two.
In all honesty... I would say neither is better. I would go with another name (like
Tamela,
Tamsin or
Tamar) and just use the nn
Tammy.
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"How wonderful it is that no one need wait a single moment before starting to improve upon the world." -Ann FrankMama to my "bright star"
Clarisse Bituin and Wife to
Julius.
Mahal na mahal from our little family to yours!