From Dictionary.com
re·la·tion·ship 
/rɪˈleɪʃənˌʃɪp/Pronunciation Key - Show Spelled Pronunciation[ri-ley-shuhn-ship]Pronunciation Key - Show IPA Pronunciation
–noun 1.a connection, association, or involvement. 2.connection between persons by blood or marriage. 3.an emotional or other connection between people:
the relationship between teachers and students. 4.a sexual involvement; affair.
[Origin: 1735–45;
relation +
-ship]