Operas,opener,or sparse
appeal
apiece
spruce, opaque
open
Apache, apathy, appeal, append, apples and aprons are 6 letter words that begin with the letters AP.
The second letter is P. It comes right after the i, and before the a.
Some six letter words with p as the second letter are opener, operas, sparse, and apiece.
limp
happy
bishop
P is for phony.
guppy, puppy, bumpy, jumpy