The word "naias" can be spelled two ways: with an "i" or a "y". The correct spelling, according to the International Phonetic Alphabet (IPA), is /naɪəs/. The first two letters are pronounced as a diphthong, /naɪ/, which sounds like the word "eye". The third letter, "a", is pronounced as a schwa sound, /ə/. The final letter, "s", is pronounced as the voiceless "s" sound, /s/. Overall, the IPA transcription helps us understand that the word "naias" is pronounced as "ney-uhs".