The word "NACIO" (nah-see-oh) is spelled with the letters N-A-C-I-O. The letter combination "CI" in Spanish is pronounced as "see", while the letter combination "IO" is pronounced as "yoh". This word is commonly used in Spanish to mean "nation" or "country". When pronouncing this word, it is important to stress the second syllable (nah-SEE-oh) to correctly emphasize the meaning of the word. The Spanish language has a variety of unique pronunciations, making proper spelling and pronunciation essential for clear communication.