Likelier rhymes with:
cochlear, mononuclear, nuclear, thermonuclear, bollier, boulier, bouthillier, boutilier, brallier, caillier, callier, charlier, chillier, cochlear, colier, collyer, colyer, costlier, cuvelier, deadlier, earlier, friendlier, fuselier, gallier, hellyer, hillier, hillyer, hilyer, holier, hollier, jollier, lallier, langelier, letellier, livelier, mononuclear, montpelier, nuclear, parlier, sadlier, salyer, sillier, soulier, tellier, thermonuclear, tullier, uglier, vallier
Likelier sounds like:
laclair, laughler, lechler, leclair, leclaire, leclere, legler, locklair, locklar, locklear