Hi, welcome folks, here you find the answers for the 6774 level of Words of Wonders Guru, Have fun :D
Any of the flat appendages growing from a bird's skin
Slip
Large dried grape
Composed of two
Gents' hairdresser
Damage
Evaluate
Inexpensive
12 Years a ..., a book by Solomon Northup
Trauma
Toy flown at the end of a string
Ridge of wind-blown sand
Science room
Sitting