The spelling of the word "Mareina" can be explained using the International Phonetic Alphabet (IPA). "Mareina" is pronounced /məˈreɪnə/. The first syllable is pronounced with the schwa vowel sound /ə/, followed by a long "e" sound represented by the phonetic symbol /eɪ/. The final syllable is pronounced with a short "i" sound /ɪ/, followed by a neutral vowel sound represented by the symbol /ə/. This word can be tricky to spell due to the combination of vowel sounds, but mastering the IPA can aid in accurate writing and pronunciation.