nullipara

noun 0.827

multiparity

noun 0.701

primipara

noun 0.625

nullity

noun 0.613

childlessness

noun 0.601

primigravid

noun 0.573

iteroparity

noun 0.573

multipara

noun 0.545

barrenness

noun 0.542

bareness

noun 0.535

haploidy

noun 0.531

unfruitfulness

noun 0.530

nonmarriage

noun 0.530

infertility

noun 0.523

sterility

noun 0.520

never-married

noun 0.519

nullah

noun 0.505