The spelling of the word "might mains" is peculiar, but can be deciphered using the International Phonetic Alphabet (IPA). The first word, "might," is spelled with the /m/ sound followed by the long vowel /aɪ/ and a /t/ at the end. The second word, "mains," is spelled with a silent /e/ at the end, followed by the /m/ sound, a long /eɪ/ vowel, and a final /nz/ sound. Altogether, "might mains" is pronounced as /maɪt meɪnz/.