The spelling of the word "matzinger" is quite straightforward when using the International Phonetic Alphabet (IPA). The first syllable is pronounced "mat" with the "a" sound as in "cat" and the "t" pronounced as a regular "t." The second syllable is pronounced "zin" with the "i" sound as in "pin" and the "n" pronounced for a regular "n." Finally, the third syllable is pronounced "gr" with a quick, almost silent "g" followed by the "r" sound as in "car." This results in the correct spelling of "matzinger" using IPA transcription.