Güevas : Spanish' word, used generally in plural form that meansTesticles. According to spelling rules, letters "u" must be marked with a diaeresis, that is, two dots at their ends [ü], so that they do not work silent. Some synonyms, words or similar expressions can be testicles caviar roe
Used in US as well
"Las Güevas de pescado se conocen como caviar. O: Las huevas de pez se conocen como caviar = Fish roe is known as caviar."