filly (n.)
- babe
- baby
- biddy
- bitch
- broad
- charger
- chick
- colleen
- colt
- courser
- cow
- critter
- dame
- damoiselle
- damsel
- demoiselle
- dobbin
- doe
- doll
- entire
- equine
- ewe
- foal
- frail
- gal
- gelding
- girl
- gyp
- heifer
- hen
- hind
- horse
- hoyden
- jenny
- lass
- lassie
- lioness
- mademoiselle
- maid
- maiden
- mare
- miss
- missy
- mount
- nag
- nanny
- nymphet
- peahen
- piece
- prancer
- roe
- romp
- schoolgirl
- she-goat
- skirt
- slip
- slut
- sow
- stallion
- steed
- stud
- studhorse
- tarpan
- tigress
- tomato
- tomboy
- virgin
- vixen
- wench