Synonyms of the word

superposable

• adj. (of two objects) Able to be superposed on each other in such a way as to coincide exactly.

congruent

• adj. Corresponding in character.
• adj. harmonious.
• adj. (mathematics) Having a difference divisible by a modulus.
• adj. (mathematics) Coinciding exactly when superimposed.
• adj. (algebra) Satisfying a congruence relation.

identical

• adj. (not comparable) Bearing full likeness by having precisely the same set of characteristics; indistinguishable.
• adj. (not comparable) Not different or other; not another or others; not different as regards self; selfsame;…
• adj. (not comparable, biology) Of twins, sharing the same genetic code.
• adj. (not comparable, mathematics) Exactly equivalent.
• adj. (comparable, rare) Approximating or approaching exact equivalence.
• n. (usually pluralized, chiefly philosophy) Something which has exactly the same properties as something…
• n. An identical twin.