difference - a disagreement or argument about a thing critical; "he had a dispute with his spouse"; "there have been irreconcilable differences"; "the familiar conflict between Republicans and Democrats" These nouns check with an absence of correspondence or arrangement. Difference is the most normal: differences in color and dimensions; https://thermal-shock-vs-thermal68901.frewwebs.com/36646106/not-known-facts-about-pcb-thermal-cycling-failure-modes