Poutre rhymes with:
pouter, powter, doubter, haueter, hauter, krauter, lauter, outer, pouter, powter, scouter, stauter
Poutre sounds like:
padre, padro, pater, patera, patrie, patry, patter, pedro, peter, petery, petr, petra, petre, petrea, petree, petrey, petri, petrie, petro, petrow, petru, petry, petter, pettry, pewter, phedra, piedra, pieter, pietro, piotter, pipetter, pitre, pituitary, poetry, poitier, poitra, pothier, potier, potter, pottery, poudrier, pouter, powder, powdery, powter, puder, puppeteer, puppetry, putter, putterer