The Castilian languages are Castilian (Spanish) and its closest relatives. Besides derivatives of Spanish such as

Judaeo-Spanish Judaeo-Spanish or Judeo-Spanish (autonym , Hebrew alphabet, Hebrew script: , Cyrillic script, Cyrillic: ), also known as Ladino, is a Romance languages, Romance language derived from Old Spanish language, Old Spanish. Originally spoken in Spain ...

and Amazonic Spanish, this refers principally to Extremaduran, a partially mutually intelligible language that is often considered merely a peculiar dialect by other speakers of Spanish.

Name

Ethnologue ''Ethnologue: Languages of the World'' (stylized as ''Ethnoloɠue'') is an annual reference publication in print and online that provides statistics and other information on the living languages of the world. It is the world's most comprehensi ...

'' uses the category "Castilian languages" while

Glottolog ''Glottolog'' is a bibliographic database of the world's lesser-known languages, developed and maintained first at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany (between 2015 and 2020 at the Max Planck Institute f ...

uses "Castilic".

Notes

References

West Iberian languages {{IndoEuropean-lang-stub