Words That Rhyme With "Blacken" :
2 syllables:
Aachen, achkan, action, Acton, Aken, Akron, atom, bacchant, backman, bacon, banken, Bascom, batten, beacon, beckon, bowcan, bracken, Brocken, broken, brooken, Buchan, capcom, Chatham, chicken, cookin', craton, dagen, deacon, decan, Deccan, dicken, docken, dragon, faction, fagen, falcon, fatten, flacon, fraction, franken, gagen, gascon, gatten, graben, Grattan, gratton, hackman, hadden, hanken, happen, hawken, hicken, jackman, Jackson, kokan, kooken, kraken, machen, macken, macon, madden, makin, Malcom, mawkin, oaken, packman, paction, paten, patent, Paton, patten, Patton, pekan, picken, rabban, ragen, ratton, raycon, reckon, ricken, sackman, sacrum, sadden, sagen, Saxon, shaken, shanken, sicken, slacken, soken, spoken, staten, Steichen, stratum, stricken, strucken, taken, talcum, talkin, tappan, taxon, thicken, token, toucan, trackman, traction, waggon, wagon, waken, walken, walkin', waxen, weaken, Wiccan, woken, zechin
3 syllables:
abstraction, archdeacon, attraction, awaken, awoken, betoken, Chinookan, classaction, coaction, combatant, compaction, contraction, detraction, diffraction, distraction, effraction, exaction, extraction, forsaken, impaction, inaction, infraction, Jamaican, Mahican, manhattan, mayhappen, Mcfadden, misspoken, mistaken, Mohican, moroccan, Mountbatten, Nebraskan, Nevadan, olfaction, outspoken, pendragon, protraction, reaction, redaction, refraction, retaken, retraction, softspoken, subdeacon, subtraction, transaction, unbroken, unshaken, unspoken, vandyken
4 syllables:
abreaction, Arawakan, Athabascan, Athabaskan, Athapaskan, calefaction, hyperaction, interaction, labefaction, liquefaction, malefaction, noncombatant, petrifaction, putrefaction, reawaken, retroaction, rubefaction, satisfaction, stupefaction, tumefaction, unbespoken, unmistaken
5 syllables:
congelifraction, counterattraction, dissatisfaction