Hello! My first language is also Spanish and I do notice a bit more difficulty in Spanish because I don't speak it as much now and I am a bit shy. Even though I grew up around Spanish, it's hard for me to not stutter while speaking it. My other first language is English. I would say I stutter about the same, maybe even less in English. English isn't spoken as fast as Spanish is (I feel Spanish is super fast haha). My third language is French and I am still learning, but I do stutter when I speak it though not as much because when I do speak it, I speak it very slowly due to the hesitation I get. I am planning on learning 2 or 3 more languages. I just know my stutter will be there in all of them, just in different severities.