Keynotes rhymes with:
banknotes, booknotes, euronotes, footnotes, anecdotes, asymptotes, banknotes, booknotes, euronotes, ferryboats, footnotes, gunboats, houseboats, lifeboats, overcoats, petticoats, raincoat's, raincoats, redcoats, riverboat's, riverboats, sailboats, scapegoats, showboat's, speedboats, steamboats, tugboats
Keynotes sounds like:
kanitz, kantz, kemnitz, kendig, kenetech, kennedy's, kennedys, kennedys', kent's, kentucky, kentucky's, kienitz, kientz, kindig, kinds, kinetic, kinetics, kintigh, kintz, kismets, kmetz, knits, knotek, knots, knott's, knotts, knuts, komatsu, kondas, kontos, koonts, koontz, kosmatka, kosmetsky, kosmetsky's, kountz, kuntz, kuntze, kuznets