The word "tinctions" is a rare but valid plural form of the noun "tinction," meaning a slight coloring or tinge. Its spelling is pronounced as /tɪŋkʃənz/, with stress on the second syllable "ksh." The phonetic transcription displays the "ng" sound followed by "ksh," representing the sequence of "n" and "k" sounds. While it may not be a commonly used word, knowing its spelling and pronunciation can be helpful in enhancing one's vocabulary and understanding of the English language.