Anything's rhymes with:
everything's, everythings, everything's, everythings, playthings, somethings, everything's, everythings, forewings, hamstrings, playthings, somethings, upswings
Anything's sounds like:
amending, ammunitions, amounting, anding, animations, annotating, annotations, antenna's, antennas, antenucci, anthems, anthony's, antitank, antonacci, antonini's, antonio's, antonios, antoniu's, antonius, antonucci, antunes, antunez, anything, anytime's