xenogamy is a form of cross-pollination (transferring pollen from one plant to a different type of plant).
I cannot think of a single other word that fits the pattern above. Since supergirl is a student, there’s a good chance that she’s studying botany & is familiar with the term.
AYC HOW DID YOU KNOW????????!!!!!!!!!!! (also what you said isn’t true, I’m not studying that, but I knew you knew really hard words so i googeled hard words beginning with x!) shh, don’t tell any1!!!