IPA: /kənˈdʒuːɡəlɪti/
KK: /kɒnˈdʒuːɡəlɪti/
The state of being married or related to marriage.
Their conjugality was evident in the way they supported each other.
Conjugality → It is formed from "con-" (meaning together) and "jugalis" (from Latin "jugare", meaning to join or unite). The word refers to the state of being joined together in marriage or partnership.
Think of being 'together' ('con-') in a 'joined' relationship ('jugalis') — that's what conjugality means.
No commonly confused words.