matchingsides
plural nounUK /ˈmætʃɪŋ saɪdz/
US /ˈmætʃɪŋ saɪdz/
Two sides that look the same or go together.
The two pieces of the puzzle have matching sides that fit together.
OTHER MEANINGS
2. Sides of a shape that are the same length.
A square has four matching sides.
3. Two teams or groups that are evenly balanced.
The two teams were matching sides in skill.
4. Parts of a design that look alike on both halves.
The butterfly's wings have matching sides.