Orchestra's rhymes with:
orchestras, orchestras, orchestras, orchestras, astra's, extras, orchestras, artra's, astra's, chitra's, cleopatra's, contras, contras', extras, matra's, orchestras, petras, pietras, sinatra's, spectra's, ultra's
orchestras, orchestras, orchestras, orchestras, astra's, extras, orchestras, artra's, astra's, chitra's, cleopatra's, contras, contras', extras, matra's, orchestras, petras, pietras, sinatra's, spectra's, ultra's