The spelling of the word "CINHO" can be explained using the International Phonetic Alphabet (IPA). The initial sound is represented by the symbol /s/, indicating a voiceless alveolar fricative. The following sound is the symbol /ɪ/, which is a short vowel sound. The next sound is the letter combination "nh", which in IPA represents a nasal palatal approximant, /ɲ/. Finally, the last sound is the vowel /o/, which is pronounced as a mid back rounded vowel. Altogether, the pronunciation of "CINHO" is /sɪɲo/.