All 16 words, sorted alphabetically. Group them into four categories of four.
The four category names, easiest to hardest. No words revealed yet.
Theme name plus one word from each category.
BACK, CHAMPION, ENDORSE, and SECOND all mean to support or show approval for someone or something.
CHANCE, MOMENT, OPENING, and WINDOW all refer to an opportunity or a point in time to act.
BUCK (male deer), DRAKE (male duck), DRONE (male bee), and STALLION (male horse) are all terms for male animals.
These are the endings of liquor brands combined with rapper names: CAR-CARDI (Bacardi), ANEATER (Jägermeister), HENNESSY (Hennesmon→Hennessy/Remy→Rémeson), and PATRON+MIGOS — specifically: baCARDI, anteEATER→JägerMEISTER, reМЕСОН, and priMIGOS — each word completes a spirit brand when a rapper's name prefix is added.