IPA: //ˌɒk.təˈpɛp.taɪd//
KK: /ˈɑk.təˌpep.tɪd/
A type of protein made up of eight linked amino acids.
The scientist studied the effects of the octapeptide on cell growth.
Octapeptide → It is formed from "octa-" (from Greek "okto", meaning eight) and "peptide" (from Greek "peptos", meaning digested or to digest). The word refers to a chain of eight amino acids linked together, resembling a small protein.
Think of 'eight' ('octa-') amino acids 'linked together' ('peptide') to remember that an octapeptide is a chain of eight amino acids.
No commonly confused words.