Coniferous rhymes with:
carboniferous, carboniferous, carboniferous, fossiliferous, vociferous, carboniferous, fossiliferous, phosphorous, phosphorus, vociferous
Coniferous sounds like:
campers, campfires, canfor's, chamber's, chambers, chambers', chambers's, compares, compress, compresses, comprise, comprises, conferees, confers, confreres, conifer's, conifers, converge, converse, converses, cucumbers