maiolica vs majolica

maiolica and majolica both are nouns.

Word	Noun	Adjective	Verb	Adverb
maiolica	Yes	No	No	No
majolica	Yes	No	No	No

As nouns, maiolica and majolica are synonyms defined as:

maiolica and majolica: highly decorated earthenware with a glaze of tin oxide

maiolica (noun)	majolica (noun)
highly decorated earthenware with a glaze of tin oxide	highly decorated earthenware with a glaze of tin oxide