Another word for related
associated, allied, affiliated, linked, tied up, knit together, complementary, analogous, correspondent, akin, alike, like, kindred, cognate, enmeshed, parallel, correlated, intertwined, interrelated, similar, mutual, dependent, interdependent, interwoven, of that ilk, in the same category, reciprocal, interchangeable, relevant.
related, applied to persons, implies close connection through consanguinity or, less often, through marriage we are related through our mothers; applied to things, close connection through common origin, interdependence, similar character, etc. related subjects; kindred suggests blood relationship or, in extension, close connection because of similar nature, tastes, goals, etc. we are kindred souls; cognate now usually applies to things and suggests connection because of a common source cognate languages; allied, applied to persons, suggests connection through voluntary association; applied to things, connection through inclusion in the same category allied sciences; affiliated usually suggests alliance of a smaller or weaker party with a larger or stronger one as a branch or dependent several companies are affiliated with this corporation