対比
たいひ · taihi · JLPT N1 · noun
contrast
⚖️ 対 = face-to-face, 比 = compare: two things set face to face to compare
対 means facing or opposite, and 比 means comparing or ratio. Together they describe placing two things opposite each other to highlight how they differ.
比 — two 匕 (person) side by side
比 is a pictograph showing two people standing side by side, facing the same direction. From this image of paired figures came the core meaning 'to compare' or 'to be next to,' since comparing things naturally involves placing them alongside each other.