IPA: /kənˈɡruːɪti/
KK: /kənˈgruːɪti/
The state or quality of being in harmony or agreement with something else.
There was a surprising congruity between their ideas, making collaboration easy.
Congruity → It is formed from "con-" (meaning together) and "gruere" (from Latin, meaning to agree or to fit). The word "congruity" refers to the state of things being in agreement or harmony with one another.
Think of things that fit 'together' ('con-') and 'agree' ('gruere') — that's what congruity means.