The spelling of the word "putput" is derived from its phonetic transcription using the International Phonetic Alphabet (IPA). The word is pronounced as [pʊtpʊt], with the first syllable "put" rhyming with "foot" and the second syllable "put" rhyming with "soot". The letters "u" and "o" represent the short vowel sounds of /ʊ/ and /ʌ/, respectively. The repetition of the syllable "put" in the word suggests a repeated, staccato sound, similar to that of a small engine or a chugging locomotive.