onomastics

As a letter s

is the letter s with a.

As a noun onomastics is

the branch of lexicology devoted to the study of names and naming, especially the origins of names.

As nouns the difference between onomastics and null

is that onomastics is the branch of lexicology devoted to the study of names and naming, especially the origins of names while null is zero, nil; the cardinal number before einn.

is likely misspelled.

has no English definition.

As a noun onomastics

is the branch of lexicology devoted to the study of names and naming, especially the origins of names.

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.

As nouns the difference between taxonomy and onomastics

is that taxonomy is the science or the technique used to make a classification while onomastics is the branch of lexicology devoted to the study of names and naming, especially the origins of names.

As nouns the difference between onomastics and onomast

is that onomastics is the branch of lexicology devoted to the study of names and naming, especially the origins of names while onomast is a person who studies onomastics, a person who studies (proper) names.