The spelling of the word "cilea" can be explained using the International Phonetic Alphabet (IPA). The initial sound is a voiceless alveolar fricative /s/, followed by a front vowel /i/, which is then followed by a lateral consonant /l/. The final syllable consists of a diphthong /eɪ/ (as in "day") and ends with an unvoiced alveolar stop /t/. Overall, the spelling of "cilea" accurately reflects its pronunciation, making it a reliable representation of the word's sound.