Generally the two words of the ambigram can be read by means of a 180 degrees rotation (that´s turning it upside down).
An ambigram can show two different words, or the same one, as it was made in this case with the name Barbara.
For professional use or plain funRelated tattoos:

Ambigram

Ambigram

Love and soul ambigram

Ambigram

ambigram

Ambigram

Ambigram

Ambigram

Ambigram

Ambigram

Gecko ambigram