As a proper noun purity
is from the virtue purity.
As a noun caratage is
the purity of gold jewellery (the fraction of pure gold).
purity
English
Noun
(purities)
The state or degree of being pure.
Antonyms
* impurity
caratage
English
Noun
(
en noun)
the purity of gold jewellery (the fraction of pure gold).