The word "Ruvalcaba" is a surname that can be pronounced as /ruh-VAL-kuh-buh/. The spelling of this name can be quite difficult to remember since it has a few uncommon letter combinations. The initial "R" is followed by the vowel "U" and then combined with the consonant "V" which can lead to confusion. Additionally, the "C" followed by the "A" and the "B" followed by another "A" require careful attention when spelling this surname. Overall, it is important to pay close attention to letter combinations when spelling "Ruvalcaba".