The word "Rockhill" is spelled as /ˈrɒk.hɪl/. The first syllable, "rock", is pronounced as /rɒk/, with the "o" making a short "o" sound. The second syllable, "hill", is pronounced as /hɪl/, with the "i" making a short "i" sound. The word is a combination of two separate words, "rock" and "hill", which together describe a hill that is made of rock. Correct spelling of words like "Rockhill" is important for clear communication and understanding.