account, acquaintance, affiliation, affinity, anaclisis, assimilation, association, birth, brotherhood, cognation, consanguinity, descent, fatherhood, filiation, friendship, lineage, maternity, membership, motherhood, parentage, partnership, paternity, romance, sisterhood, sistership, subjection, subjugation, tie.
airship, airstrip, ambassadorship, apprenticeship, authorship, battleship, brinkmanship, censorship, chairmanship, championship, citizenship, companionship, consulship, courtship, craftsmanship, craftsmanship, dealership, dictatorship, directorship, directorship.
Your query has returned 3260 words, which include anagrams of relationships as well as other shorter words that can be made using the letters included in relationships.
The words in this list can be used in games such as Scrabble, Words with Friends, Wordscapes and other similar games.