The term consanguineous refers to a relationship between two people who are RELATED by blood. The two crossword solutions for this term are 'AKIN' and 'RELATED'. AKIN is a four-letter word meaning 'similar in nature or character; closely RELATED'. RELATED is a seven-letter word meaning 'connected by blood or marriage; having a close connection'. Both words refer to the same concept of being RELATED by blood, but with different levels of closeness.