A person, organization, or establishment associated with another as a subordinate, subsidiary, or member: network affiliates. [Medieval Latin affÄ«liÄre, to adopt : Latin ad-, ad- + Latin fÄ«lius, son; see dhÄ(i)- in the Appendix of Indo-European roots.]
Morphine is isolated from opium in large quantities (over 1000 tons per year), although most commercial opium is converted into codeine by methylation. Morphine acts as an anesthetic without decreasing consciousness, and it is one of the most powerful analgesics known.
They are both opioid but not the same one. Fentanyl is fentamyl and morphine is morphine. Fentanyl and morphine are both opioid medications but they are different drugs. In other words, they are in the same family of drug but they are both different drugs within that family. As kaismama says, morphine is morphine and fentanyl is fentanyl. Fentanyl patch is a long acting drug.