Lass is a 4 letter English word. It's valid Scrabble word worth 4 points. It's valid Words with friends word worth 5 points.
You can make 20 anagrams from letters in LASS (alss).
1250-1300; Middle English las, lasse, of uncertain origin
"It's just t'edge o' dark, lass," said Matthew to Rotha while filling his pipe.
Weel, what think ye o' the lass by this time, Mr. Bletherwick?
"Your father is nothing but an ache and a stound to you, lass," Sim would say in a whimper.
Had the lass been kind I should have fired one gun, that you might know it.'
I reckon they're mistook as to the lass, but I've come to see for mysel'.
What like of a man was he, lass—him as took off the little fellow?
Saying this he put the cup the lass had offered him to his lips.
"I mind me when my own lass was no bigger nor this," said Sim.
But I must be off, lass; for I've the horses to get ready, forby the shortness of the time.
I'd be nothing but an ache and a stound to the lass, as I've olas been—nothing but an ache and a stound to them all.