As nouns the difference between onomastics and onomastica
is that onomastics is the branch of lexicology devoted to the study of names and naming, especially the origins of names while onomastica is plural of onomasticon.
onomastics
Noun
(
en-plural noun)
The branch of lexicology devoted to the study of names and naming, especially the origins of names.
Synonyms
* onomatology
Related terms
* onomastic
* onomastician
* onomasticon
Hypernyms
* lexicology
* etymology
Hyponyms
* anthroponymy
* toponymy
Derived terms
* anthroponomastics
* toponomastics
References