The spelling of the word "am subsequent" is based on the rules of English phonetics. In IPA transcription, it is pronounced as /æm ˈsʌbsəkwənt/. The "am" is pronounced as a short "æ" sound followed by the consonant blend "m". The "subsequent" part is pronounced with the stress on the second syllable, with a short "ʌ" vowel sound, followed by the stop consonants "b" and "s", the unstressed "ə" schwa sound, and the fricative "kw" sound followed by the nasal "nt".