Birthing rhymes with:
unearthing, worthing, loathing, nothing, seething, sleuthing, something, thirtysomething, twentysomething, unearthing, worthing
Birthing sounds like:
baritones, bartmess, bartnick, bartnicki, bartnik, barton's, bartunek, berating, boarding, boardinghouse, boardinghouses, boardings, borden's, bortnick, brademas, braiding, breading, breathing, breeden's, breeding, britain's, britains, britannica, britons, britons', broadening, broadens, broadnax, brodnax, brooding, bruting, burdening, burdens, burdine's, burdines, burtness, burton's