Alumnoa
Alumnoa is not a standard lexical item in Spanish or Basque. It appears occasionally in linguistic discussions as a nonstandard coinage that combines the Spanish noun alumno with a Basque-style definite suffix -a. In those contexts, it is used to illustrate how a definite determiner might attach to a noun in a bilingual setting, rather than to propose a recognized word.
In practice, alumnoa is not listed in major dictionaries and should be considered nonstandard. For ordinary
Usage and cautions: when writing or speaking in formal or widely understood contexts, prefer the standard expressions
See also: Spanish language, Basque language, ikasle, ikaslea, el alumno, la alumna, code-switching.