Extras rhymes with:
astra's, orchestra's, orchestras, artra's, astra's, chitra's, cleopatra's, contras, contras', matra's, orchestra's, orchestras, petras, pietras, sinatra's, spectra's, ultra's
Extras sounds like:
ecuador's, equators, esoteric, esters, estrich, estrous, estrus, estuaries, eszterhas, executors, exteriors