pleased, closets, flotsam
spilled
laundry
Mammals is the word.
Evolves, evolved
alterblackblankblazebleakbloodbloomblurtcleanelectflockglassplanesleet
quickly
Slicing.
Byplay.
Glad
lightly
lapwing
There's no 7-letter word, here are three 6-letter words that can be made:lapelsmaplessample