there may be many answers to this question but i can only provide a more modern term that comes to mind and that is; Friends with Benefits Where these 'benefits' are sexual benefits but both 'parties' agree it is not for love etc.
Friends Can Be Lovers was created in 1992.
If your lover isn't your best friend then you are doing something wrong.
T ===
Lovers & Friends by Usher has been performed in many countries outside of the United States. Lovers & Friends has been performed in Malaysia, Canada, and England.
Lovers of the Russian Word was created in 1807.
Friends are not always lovers, and estranged friends are not always estranged lovers.
Mutual trust between lovers and friends is when both parties trust the other an equal amount.
lovers is a word that describe two people that are in love
Friends and Lovers - 2010 1-1 was released on: USA: 7 September 2010
Friends and Lovers - 2010 1-2 was released on: USA: 14 September 2010
Friends and Lovers - 2010 1-3 was released on: USA: 21 September 2010
Friends and Lovers - 2010 1-4 was released on: USA: 28 September 2010