Lineal rhymes with:
matrilineal, patrilineal, matrilineal, patrilineal, bicentennial, biennial, centennial, ceremonial, colonial, company'll, decennial, intracranial, matrilineal, matrimonial, menial, millennial, patrilineal, perennial, quadrennial, testimonial, triennial
Lineal sounds like:
lamely, lamle, lemelle, lemley, lemuela, leonel, leonelle, leonelli, linley, linnell, lionel, lomeli, lonely, luminal, luminol, lumley