Sumatran rhymes with:
quotron, austron, beltran, bertran, buitron, catron, cintron, citron, coltrane, datron, doctrine, dyatron, dynalectron, intron, ketron, matron, patron, pentron, quotron, rostron, vestron, wiltron
Sumatran sounds like:
sanhedrin, santorum, schneiderman, skenderian, smithereen, smitherman, smotherman, smothermon, sonderman, sunderman, symtron, syndrome