List of filly synonyms and filly related words.
Houyhnhnm, Partlet, babe, baby, biddy, bitch, bossy, broad, brood mare, charger, chick, colleen, colt, courser, cow, critter, cutie, dame, damoiselle, damsel, demoiselle, dobbin, doe, doll, entire, entire horse, equine, ewe, ewe lamb, foal, frail, gal, gelding, girl, girlie, guinea hen, gyp, heifer, hen, hind, horse, hoyden, jenny, jeune fille, jill, junior miss, lass, lassie, lioness, little missy, mademoiselle, maid, maiden, mare, miss, missy, mount, nag, nanny, nanny goat, nymphet, peahen, piece, prancer, roe, romp, schoolgirl, schoolmaid, schoolmiss, she-bear, she-goat, she-lion, skirt, slip, slut, sow, stallion, steed, stud, studhorse, subdeb, subdebutante, subteen, subteener, tarpan, teenybopper, tigress, tomato, tomboy, top horse, virgin, vixen, war-horse, wench, wild horse, young creature, young thing