Words That Rhyme With "Columnar" :

2 syllables:

bummer, comer, cummer, cunner, drummer, dumber, Gunnar, gunner, hummer, mummer, oner, punner, rummer, runner, somer, Sommer, stunner, sumer, summar, summer, Sumner, thumber, tonner

3 syllables:

4 syllables:

5 syllables:

intercolumnar, supercolumnar