1) Aberdeen filly 2) Aberdeen gal 3) Aberdeen girl 4) Aberdeen maiden 5) Aberdeen miss 6) Aberdeen teen 7) An unmarried woman 8) Bonnie bairn 9) Bonnie Clyde traveler 10) Bonnie girl 11) Bonnie one 12) Bonnie young girl 13) Bonny belle 14) Bonny gal 15) Bonny girl 16) Bonny miss 17) Bonny of Scotland Found on https://www.crosswordclues.com/clue/lass
Lass (lȧs) noun [ Middle English lasse ; probably of Celtic origin; confer W. llodes girl, fem. of llawd lad. √123. See Lad a youth.] A young woman; a girl; a sweetheart. Found on http://www.encyclo.co.uk/webster/L/16