A derivative of the name is the English Alditha.
Aldith is not widely used as a baby name for girls. It is not in the top 1000 names.
Baby names that sound like Aldith include Aelwyd, Alda (German, Italian, and Portuguese), Aldyth (English and Welsh), Aleid (Dutch), Aleit (German and Dutch), Alet (Dutch), Alette (French and Frisian), Alheit (German), Alide (German and Italian), Alta (English and Spanish), Altha (English), Altie (English), Alto, Eilat (Hebrew), Uald, Ualdae, Alauda, Alditha (English), Aleida (German, Dutch, and English), and Aleta (Greek, English, and Spanish).
† Pronunciation for Aldith: AA as in "odd (AA.D)" ; L as in "lay (L.EY)" ; D as in "day (D.EY)" ; IH as in "it (IH.T)" ; TH as in "theme (TH.IY.M)"