The spelling of "gives third" can be explained using the International Phonetic Alphabet (IPA). The first syllable "gives" is pronounced as /ɡɪvz/, with a voiced "g" sound, a short "i" vowel sound, and a plural "s" sound. The second syllable "third" is pronounced as /θɜrd/, with an unvoiced "th" sound, a short "u" vowel sound and a voiced "d" sound. Together, the two syllables create the phrase "gives third" with the stress on the second syllable.