Doctrine rhymes with:
dynalectron, austron, beltran, bertran, buitron, catron, cintron, citron, coltrane, datron, dyatron, dynalectron, intron, ketron, matron, patron, pentron, quotron, rostron, sumatran, vestron, wiltron
Doctrine sounds like:
dextran, distron, dochterman, docudrama