Words That Rhyme With "Specious" :
2 syllables:
beach's, cautious, Croesus, Decius, gracious, lisa's, nauseous, precious, rhesus, Ushas, vicious
3 syllables:
ambitious, Araceous, astucious, atrocious, audacious, autecious, autoecious, bulbaceous, byssaceous, Cactaceous, capricious, ceraceous, chartaceous, chylaceous, Cistaceous, Cornaceous, crustaceous, curvaceous, delicious, dioecious, edacious, Elisa's, fabaceous, facetious, factitious, Fagaceous, fallacious, Felicia's, feracious, ferocious, fictitious, flagitious, flirtatious, fugacious, gemmaceous, glumaceous, hellacious, herbaceous, incautious, Josephus, judicious, Juncaceous, lardaceous, Lauraceous, lilaceous, loquacious, lubricious, Lucretius, Lythraceous, malicious, Malvaceous, mendacious, minacious, monecious, monoecious, Moraceous, mordacious, Musaceous, Myrtaceous, nutritious, officious, palmaceous, paroecious, pernicious, porraceous, precautious, precocious, predaceous, predacious, pumiceous, Rhamnaceous, rosaceous, Rutaceous, sagacious, salacious, schorlaceous, sebaceous, seditious, sequacious, sericeous, setaceous, siliceous, silicious, spadiceous, spathaceous, spinaceous, synoecious, Taxaceous, tenacious, Teresa's, testaceous, theaceous, Theresa's, tophaceous, trioecious, tufaceous, tuffaceous, ulmaceous, ungracious, veracious, vexatious, vinaceous, vivacious, voracious
4 syllables:
Acanthaceous, acinaceous, adscititious, adventitious, alliaceous, alsinaceous, alutaceous, amentaceous, ampullaceous, amylaceous, apiaceous, arboraceous, arenaceous, argillaceous, asteraceous, avaricious, Betulaceous, brassicaceous, Burseraceous, butyraceous, carbonaceous, cementitious, cineritious, contumacious, coriaceous, corollaceous, Crassulaceous, Cycadaceous, cylindraceous, Cyperaceous, Dipsacaceous, disputatious, efficacious, ericaceous, erinaceous, expeditious, farinaceous, foliaceous, frumentaceous, furfuraceous, gallinaceous, graminaceous, heteroecious, Indonesia's, injudicious, inofficious, iridaceous, Juglandaceous, lamiaceous, lateritious, liliaceous, membranaceous, meretricious, Mimosaceous, obreptitious, oleaceous, olivaceous, Onagraceous, orchidaceous, ostentatious, overcautious, papyraceous, pectinaceous, perspicacious, Piperaceous, plumulaceous, Primulaceous, proteinaceous, ramentaceous, repetitious, Resedaceous, Sapindaceous, saponaceous, Sapotaceous, sarmentaceous, scoriaceous, semipostal, semiprecious, Smilacaceous, solanaceous, stercoraceous, strobilaceous, Styracaceous, subreptitious, superstitious, suppositious, surreptitious, Tiliaceous, Urticaceous, Verbenaceous, violaceous
5 syllables:
ambrosiaceous, Amygdalaceous, androdioecious, andromonoecious, Apocynaceous, araliaceous, artifactitious, arundinaceous, Balsaminaceous, berberidaceous, Bignoniaceous, boraginaceous, Bromeliaceous, Campanulaceous, Capparidaceous, Convolvulaceous, Cucurbitaceous, diatomaceous, Euphorbiaceous, excrementitious, Gentianaceous, Geraniaceous, gynodioecious, gynomonoecious, helianthaceous, holosericeous, Hydrophyllaceous, inefficacious, Lobeliaceous, Loganiaceous, Magnoliaceous, Malpighiaceous, margaritaceous, Menispermaceous, Nyctaginaceous, orobanchaceous, Papaveraceous, Passifloraceous, Plumbaginaceous, Polygalaceous, Rafflesiaceous, ranunculaceous, Simaroubaceous, Sterculiaceous, supposititious, Zygophyllaceous
6 syllables:
amaryllidaceous, Anacardiaceous, Asclepiadaceous, Caesalpiniaceous, caryophyllaceous, chenopodiaceous, Hamamelidaceous, interfoliaceous, Laminariaceous, papilionaceous, Polemoniaceous, Sarraceniaceous, Scrophulariaceous, Valerianaceous