Fertile rhymes with:
infertile, birtle, ertel, ertl, ertle, hertel, hirtle, hurtle, infertile, mertle, mirtle, myrtle, pirtle, purtell, purtle, turtle
Fertile sounds like:
fairytale, faretlow, ferdlow, feretlow, fertlow, foretell, fourthly, fredell, fredella, freedle, freidel, fretwell, friddle, fridley, friedel, friedl, friedley, friedli, friedly