i don't know but it's either Portuguese or french

Uke, short for ukulele, a small Portuguese guitar popularized in Hawaii. Musicians use the slang term, "axe" in place of "guitar."

That depends on the language in which your source text is written. If it is Spanish, then "guitarra" means any kind of guitar, both acoustic and electric. If it is in Portuguese, then "guitarra" means electric guitar. (Portuguese has a separate word, violão, for acoustic guitars.)

The Portuguese instrument braguinha or braguinho.

The Portuguese guitar (or Portuguese guitarra) is the national musical instrument of Portugal. It is a plucked string instrument with twelve steel strings, strung in six courses comprising two strings each.