Is “Relationship” a Scrabble word?
Yes
RELATIONSHIP
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Relationship
/ɹɪˈleɪʃ(ə)nʃɪp/
noun
1.Connection or association; the condition of being related.
2.The links between the x-values and y-values of ordered pairs of numbers especially coordinates.
3.Kinship; being related by blood or marriage.